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International Space Agencies – Missions and Discoveries

Polaris Dawn: SpaceX’s Mission for First private Spacewalk

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Polaris Dawn Mission

SpaceX launched its Polaris Dawn Mission sending a four-person crew of civilians on a first-ever commercial spacewalk into Earth's Van Allen radiation belts.

Why in the News?

SpaceX launched its Polaris Dawn Mission sending a four-person crew of civilians on a first-ever commercial spacewalk into Earth’s Van Allen radiation belts.

What is Polaris Dawn Mission?

  • It is a privately-funded space mission led by billionaire entrepreneur Jared Isaacman, in collaboration with SpaceX.
  • It is set to be the first non-government mission to conduct a spacewalk.
  • This 700km altitude will surpass the current record held by NASA’s Gemini 11 mission in 1966.
  • The mission will test new spacesuits designed by SpaceX to protect astronauts from high radiation levels encountered in the Van Allen Belts.

What are the Van Allen Belts?

  • The Van Allen Belts are two zones of charged particles that surround Earth, held in the magnetosphere.
  • These belts were discovered in 1958 by American physicist James Van Allen.

Why are the Van Allen Belts dangerous for Humans?

  • The Van Allen Belts are dangerous for humans because they contain high levels of radiation that can pose significant health risks to astronauts.
  • The belts are filled with charged particles that can cause radiation sickness, damage human tissues, and increase the risk of cancer. 

 

PYQ:

[2011] What is the difference between asteroids and comets?

  1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
  2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
  3. Comets show a perceptible glowing tail, while asteroids do not.

Which of the statements given above is/are correct?

(a) 1 and 2 only
(b) 1 and 3 only
(c) 3 only
(d) 1, 2 and 3

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Mother and Child Health – Immunization Program, BPBB, PMJSY, PMMSY, etc.

Ovarian Cancer: Understanding the Silent Killer

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Ovarian Cancer

Why in the News?

  • In India, Ovarian Cancer ranks among top three cancers affecting women, accounting for 6.6% of all female cancer cases.
    • In 2022, India alone reported 47,333 new ovarian cancer cases and 32,978 deaths, emphasizing the critical need for awareness, early detection, and effective treatment.

What is Ovarian Cancer?

Details
About Referred to as the “silent killer” due to its subtle symptoms like bloating, pelvic pain, loss of appetite, and frequent urination. Late diagnosis is common.
Common Symptoms • Bloating
• Pelvic/abdominal pain
• Loss of appetite
• Frequent urination
• Indigestion, back pain, fatigue, and weight loss
Cancer Subtypes Type I tumours: Less common, early diagnosis, better prognosis
Type II tumours: More common, aggressive, diagnosed at advanced stages
Screening • No effective screening tests available
CA125 blood test used post-diagnosis but not recommended for routine screening due to limited specificity
Genetic Risk Factors • Linked to mutations in BRCA1/BRCA2 genes, increasing risk by up to 50%
Genetic testing aids in personalized risk management
Endometriosis • Associated with a higher risk of certain ovarian cancers, though overall risk remains low
Lifestyle Factors Mixed evidence regarding talcum powder usage and its potential link to ovarian cancer
Hair products (dyes, straighteners) may increase risk, though further research is required
HRT & Genetic Counselling Hormone replacement therapy (HRT) is linked to a higher risk of ovarian cancer
Genetic counselling helps at-risk individuals with preventive measures

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Agricultural Sector and Marketing Reforms – eNAM, Model APMC Act, Eco Survey Reco, etc.

The role of district agro-met offces in supporting farmers 

Note4Students

From UPSC perspective, the following things are important :

Mains level: Challenges to Indian agriculture;

Why in the News?

Last week, PTI reported that the India Meteorological Department (IMD) plans to reintroduce District Agro-Meteorology Units (DAMUs) as part of the Gramin Krishi Mausam Sewa (GKMS) scheme.

Background: In 2018, the IMD set up 199 District Agro-Meteorology Units (DAMUs) in collaboration with the Indian Council of Agricultural Research to provide sub-district level agricultural advisories based on weather data. However, these DAMUs were shut down in March following an order from the IMD.

What are Agro-Meteorological Advisories?

  • Agro-meteorological advisories provide farmers with critical information about weather conditions that affect agricultural practices. This includes forecasts related to rainfall, temperature, and wind speeds, which are crucial for planning sowing, harvesting, irrigation, and the use of fertilizers and pesticides.
  • These advisories are particularly important for small and marginal farmers, who make up about 80% of India’s farming community and primarily rely on rain-fed agriculture.
  • The advisories are disseminated in local languages, ensuring accessibility. They are shared through various channels, including text messages, WhatsApp groups, newspapers, and direct communication from DAMU staff.
  • By providing timely weather information, these advisories help farmers plan their agricultural activities effectively and ultimately contribute to enhancing crop yields and farmers’ incomes.

Why Did the Government shut down the District Agro-Met Units (DAMUs)?

  • Agro-meteorological data was automated: The closure of DAMUs was influenced by claims from the NITI Aayog that agro-meteorological data was automated, which undermined the role of DAMU staff in preparing and disseminating agricultural advisories. This misrepresentation led to recommendations for privatization and monetization of the services previously offered for free.
  • Financial and Administrative Issues: The decision to shut down DAMUs was attributed to ongoing financial challenges, including delayed salary disbursements for DAMU staff, and administrative issues that hampered the program’s effectiveness.
  • Shift Towards Centralization: The government suggested transitioning to a centralized model for weather data collection and advisory services, which could potentially reduce the localized support that DAMUs provided to farmers.

Way forward: 

  • Re-establish Local Support: Reinstate District Agro-Meteorology Units (DAMUs) to provide localized, targeted weather advisories and support, ensuring that small and marginal farmers receive timely, relevant information.
  • Improve Data Integration and Communication: Enhance the integration of automated weather data with localized advisory services, and streamline communication channels to reach farmers through various platforms effectively.

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Road and Highway Safety – National Road Safety Policy, Good Samaritans, etc.

On the challenges to road safety in India  

Note4Students

From UPSC perspective, the following things are important :

Mains level: Road safety in India;

Why in the News?

The India Status Report on Road Safety 2024 highlights India’s slow progress in reducing road fatalities and stresses the need for tailored approaches to improve road safety.

What does the ‘India Status Report on Road Safety 2024’ state?

  • The report highlights India’s limited success in reducing road accident fatalities, despite the country’s efforts in other sectors. The report stresses that most Indian States are not on track to meet the UN Decade of Action for Road Safety goal to halve traffic deaths by 2030.
    • It emphasizes the connection between road construction, mobility, and safety,
  • Road traffic injuries remain a significant public health challenge. In 2021, these injuries were the 13th leading cause of death and the 12th leading cause of health loss (measured in Disability-Adjusted Life Years or DALYs).
  • The report reveals significant disparities in road traffic death rates across Indian States, with vulnerable groups such as motorcyclists and truck-involved crashes being particularly high.

Note: The report used FIR data from six States and audits of State compliance with Supreme Court directives on road safety.

Which States have the lowest rates of road accident deaths?

  • West Bengal and Bihar have the lowest rates of road accident deaths, with 5.9 per 1,00,000 people in 2021

What is a crash surveillance system?

  • A crash surveillance system is a national-level database that records detailed data on road accidents, including specific variables like the mode of transport of victims.
  • India lacks such a system, with current data being aggregated from police station records, limiting the depth of analysis and effectiveness of interventions.
  • Implementing this system would enhance road safety management and allow for better evaluation of policy interventions.

Way forward: 

  • Establish a National Crash Surveillance System: Implement a comprehensive database for road accidents to enable detailed analysis and improve targeted interventions for road safety. This would enhance data accuracy and guide more effective policies.
  • Prioritize State-Specific Road Safety Strategies: Tailor interventions to the unique challenges of each State, focusing on vulnerable road users like motorcyclists and improving safety infrastructure, such as helmet usage, traffic calming, and trauma care facilities.

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Waste Management – SWM Rules, EWM Rules, etc

India generates highest plastic pollution in world 

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Paris Agreement (2015);

Mains level: Plastic pollution;

Why in the News?

A study published last week in the journal Nature revealed that India is responsible for contributing one-fifth of the world’s plastic pollution.

What did the Paris Agreement (2015) and the UN Environmental Assembly (2022) say on plastic pollution? 

  • Paris Agreement (2015): Primarily on climate change, the Paris Agreement doesn’t directly address plastic pollution. However, the agreement encourages countries to reduce emissions and promote sustainable practices. 
  • UN Environmental Assembly (2022): The UNEA agreed in 2022 to develop the first legally binding international treaty on plastic pollution by the end of 2024. Objectives: The treaty aims to curb plastic pollution through measures like phasing out single-use plastics.

Challenges in Implementation

  • Lack of Cohesive Policies: There is often a disconnect between global agreements and national policies, leading to fragmented approaches that fail to address the scale of plastic pollution effectively.
  • Infrastructure Deficiencies: Many countries, particularly in the Global South, lack the necessary infrastructure for waste management, leading to high levels of unmanaged plastic waste. Inadequate public services and resources exacerbate this situation.
  • Economic Dependencies: Countries reliant on plastic production for economic growth may resist regulations aimed at reducing plastic use, complicating the implementation of international agreements.

Why do we need more research on this issue? 

  • Understanding Environmental Impact: Comprehensive studies are needed to elucidate the sources and impacts of plastic pollution, including its relationship with climate change and public health.
  • Informing Policy Development: Research can guide policymakers in creating effective strategies for reducing plastic waste and improving waste management systems, ensuring that solutions are tailored to specific regional challenges.
  • Health Implications: As microplastics increasingly infiltrate ecosystems and human bodies, understanding their health impacts is critical for public health initiatives and regulatory frameworks.

Way forward: 

  • Strengthen Global Plastic Reduction Targets: Implement binding international commitments to reduce plastic production, particularly single-use plastics, and promote sustainable alternatives, aligning with climate goals.
  • Improve Waste Management Infrastructure: Prioritize investment in waste management systems, especially in the Global South, to ensure proper collection, recycling, and disposal, reducing unmanaged plastic pollution.

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Indian Army Updates

Exercise Yudh Abhyas, 2024

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Exercise Yudh Abhyas

Why in the News?

  • The 2024 edition of the India-U.S. Army bilateral exercise Yudh Abhyas has begun at the Mahajan field firing ranges in Rajasthan.
    • Concurrently, Phase-II of the Indian Air Force’s (IAF) largest multilateral exercise, Tarang Shakti, is underway in Jodhpur, with eight countries participating, including India.

About Exercise Yudh Abhyas

Details
Type  Bilateral joint military exercise between India and the United States
Inception Year 2004
Frequency Annual
Primary Objective Enhance military cooperation and joint operational capabilities, particularly focusing on counter-terrorism and counter-insurgency operations.
Location Held alternately in India and the USA
Earlier Edition (2023) Held at Fort Wainwright, Alaska, focusing on cold-weather operations and high-altitude warfare
Focus
  • Counter-terrorism operations in semi-desert and desert terrains
  • Urban warfare (FIBUA – Fighting in Built-Up Areas)
Participating Forces in 2024
  • Indian Army: 600 troops from the RAJPUT Regiment
  • US Army: 1-24 Battalion of the 11th Airborne Division, Alaska
Tactical Drills in 2024
  • Joint planning sessions
  • Joint responses to terrorist actions
  • Combined field training exercises
Significance 
  • Reflects the growing military partnership between India and the US
  • Enhances interoperability and strengthens strategic defence ties

 

PYQ:

[2024] Which of the following statements about the Exercise Mitra Shakti-2023 is/ are correct?

  1. This was a joint military exercise between India and Bangladesh.
  2. It commenced in Aundh (Pune).
  3. Joint response during counter-terrorism operations was a goal of this operation.
  4. Indian Air Force was a part of this exercise.

Select the answer using the code given below:

(a) 1, 2 and 3

(b) 1 and 4

(c) 1 and 4

(d) 2, 3 and 4

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Air Pollution

India’s first ‘Teal Carbon’ study

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Teal Carbon

Why in the News?

India’s first study on teal carbon was conducted at Keoladeo National Park (KNP) in Rajasthan’s Bharatpur district.

Highlights of the Study

  • The study at KNP aimed to develop holistic solutions for climate change by understanding the potential of teal carbon in mitigating its effects.
  • It highlighted that degraded wetlands could release harmful methane and carbon dioxide into the atmosphere, further exacerbating climate challenges.
  • It suggested the use of biochar, a lightweight black residue comprising carbon and ashes.
    • This biochar can help reduce methane discharges and improve wetland conservation.
  • Specialized instruments like the LI-COR device would be required for real-time measurements of greenhouse gases to further the research.

What is Teal Carbon?

Details
Definition Carbon stored in non-tidal freshwater wetlands, including in vegetation, microbial biomass, and organic matter.
Key Sources Peatlands, freshwater swamps, natural freshwater marshes.
Global Storage  Approximately 500.21 petagrams of carbon (PgC).
Threats Pollution, land-use changes, water extraction, and degradation of wetlands.
Comparison Distinct from black and brown carbon, which are produced by incomplete combustion of organic matter.
Benefits of Teal Carbon Ecosystems
  • Greenhouse gas reduction
  • Increase in groundwater levels
  • Flood mitigation
  • Heat island reduction
  • Urban adaptation
Conservation Importance Effective conservation of wetlands can enhance teal carbon pools, contributing to climate regulation and environmental sustainability.

 

PYQ:

[2021] What is blue carbon?​

(a) Carbon captured by oceans and coastal ecosystems.​

(b) Carbon sequestered in forest biomass and agricultural soils.​

(c) Carbon contained in petroleum and natural gas.​

(d) Carbon present in atmosphere.​

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Innovations in Biotechnology and Medical Sciences

PresVu: India’s First Eye Drop for Presbyopia

Note4Students

From UPSC perspective, the following things are important :

Prelims level: PresVu

Why in the News?

Mumbai-based Entod Pharmaceuticals has announced that the Drug Controller General of India (DCGI) has approved its new eye drop, PresVu, aimed at reducing the dependency on reading glasses for individuals with presbyopia.

What is Presbyopia?

  • Presbyopia is an age-related condition where the eyes gradually lose the ability to focus on nearby objects, typically developing after the age of 40.
  • Spectacles are one of the most commonly recommended solutions for managing presbyopia.

How does PresVu work? 

  • The active ingredient in PresVu is pilocarpine, a compound that contracts the iris muscles, controlling the size of the pupil and helping individuals focus better on nearby objects.
  • PresVu also uses an advanced dynamic buffer technology to adapt to the pH levels of tears, ensuring consistent efficacy and safety for extended use over the years.
  • However, PresVu’s effects are temporary, typically lasting between four to six hours, and it is prescription-only.
  • PresVu should not be used by individuals with iris inflammation.
  • Regular use may lead to side effects such as:
    • Itching and redness
    • Eyebrow pain
    • Muscle spasms in the eyes

Is this a Novel Therapy?

  • Although Entod claims PresVu is novel, the main compound, pilocarpine, has been available in India for decades and is commonly used as a first-line therapy for cataracts.
  • Pilocarpine’s ability to temporarily improve the depth of focus has been explored in other countries, including the United States, where the FDA approved a pilocarpine eye drop for presbyopia in 2021.
  • In India, the government regulates the ceiling price of pilocarpine in 4% and 2% concentrations, whereas PresVu contains 1.25%.

PYQ:

[2018] Appropriate local community-level healthcare intervention is a prerequisite to achieve ‘Health for All’ in India. Explain.

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Goods and Services Tax (GST)

[pib] Recommendations during 54th meeting of GST Council

Note4Students

From UPSC perspective, the following things are important :

Prelims level: 54th meeting of GST Council

Why in the News?

The 54th GST Council meeting, chaired by Union Finance Minister was held recently.

Recommendations from the 54th GST Council Meeting:

GST Rate Changes for Goods

Namkeens and Savory Products GST on extruded/expanded savoury products reduced from 18% to 12%; 5% GST on un-fried or uncooked snack pellets continues.
Cancer Drugs GST on cancer drugs like Trastuzumab Deruxtecan, Osimertinib, and Durvalumab reduced from 12% to 5%.
Metal Scrap Reverse Charge Mechanism (RCM) introduced for metal scrap supplies by unregistered persons; 2% TDS applied on B2B metal scrap supplies by registered persons.
RMPU Air Conditioning Machines RMPU air conditioning machines for railways classified under HSN 8415, attracting a 28% GST rate.
Car and Motorcycle Seats GST on car seats (HSN 9401) increased from 18% to 28%, aligning with the rate for motorcycle seats.

GST Rate Changes for Services

Life and Health Insurance Group of Ministers (GoM) to be constituted to study GST issues related to life and health insurance. Report expected by October 2024.
Transport by Helicopters GST on passenger transport by helicopters (seat share basis) set at 5%; 18% GST continues for charter helicopter services.
Flying Training Courses DGCA-approved flying training courses conducted by Flying Training Organizations (FTOs) will be exempt from GST.
Preferential Location Charges Preferential Location Charges (PLC) in construction services to be taxed as composite supply.
Affiliation Services Affiliation services provided by boards like CBSE taxable; services provided to government schools by state/central boards will be exempt.
Import of Services by Branches Import of services by foreign airlines’ branch offices from related persons will be exempt from GST if made without consideration.

Compliance Measures

B2C E-invoicing Pilot project for B2C e-invoicing introduced to improve business efficiency and environmental sustainability.
Invoice Management System (IMS) Invoice Management System to allow taxpayers to accept, reject, or keep invoices pending for claiming Input Tax Credit (ITC).
Waiver of Interest/Penalty Special procedure to waive interest/penalty for tax demands from FY 2017-18, 2018-19, and 2019-20 under section 73 of CGST Act.
Clarifications via Circulars Clarifications on place of supply for advertising services, ITC on demo vehicles, and place of supply for data hosting services to be issued.

 

PYQ:

[2018] Consider the following items:

1. Cereal grains hulled

2. Chicken eggs cooked

3. Fish processed and canned

4. Newspapers containing advertising material

Which of the above items is/are exempted under GST (Goods and Services Tax)?

(a) 1 only

(b) 2 and 3 only

(c) 1, 2 and 4 only

(d) 1, 2, 3 and 4

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Health Sector – UHC, National Health Policy, Family Planning, Health Insurance, etc.

Policy paralysis, a weakened public health sector

Note4Students

From UPSC perspective, the following things are important :

Mains level: Issues in the health sector

Why in the News?

Primary care remains underdeveloped, while the private sector has seen significant growth in secondary and tertiary care.

What are the major necessities in Public Health? 

  • Diseases of Poverty: This includes health issues predominantly affecting the poor and vulnerable populations, such as tuberculosis, malaria, undernutrition, maternal mortality, and illnesses caused by food and water-borne infections like typhoid and diarrheal diseases
    • Addressing these needs is critical not only from a health perspective but also as a matter of human rights.
  • Middle-Class Health Concerns: The second category focuses on health issues related to environmental pollution, including air and water quality, waste management, and food safety. 
    • These issues are often exacerbated by inadequate infrastructure and poor market regulations, leading to chronic illnesses and road traffic accidents.
  • Curative Care Needs: The most visible public health needs are those related to curative care, which is divided into three levels: primary, secondary, and tertiary care
    • The poor often rely on public primary health care for affordable services, while secondary care remains historically neglected. 
    • Tertiary care is primarily addressed through government schemes like the Pradhan Mantri Jan Arogya Yojana (PMJAY) under Ayushman Bharat, aimed at providing coverage for serious health issues.

How do the private hospitals become a real beneficiary in present times? 

  • Limited Coverage: India’s health insurance primarily covers only hospitalisation expenses, leaving out outpatient and primary care services. This benefits private hospitals as they can monopolise high-cost medical treatments, while the larger uninsured population faces commercialised care at market rates.
  • Weakening of Public Health Sector: The government’s shift in focus from strengthening public sector health care to outsourcing via insurance schemes like PMJAY indicates a failure to build adequate secondary and tertiary public health services.  

Threats to Public Healthcare:

  • Neglect of Secondary and Tertiary Care: The inadequate investment in strengthening secondary- and tertiary-level health care in the public sector, leads to a reliance on private hospitals.
  • Transformation of Primary Health Centres (PHCs) and Sub-centres: The conversion of sub-centres and PHCs into Health and Wellness Centres (HWCs) has undermined their original role in preventive and promotive health care.  
  • Loss of Trust in Public Healthcare: Due to overcrowding, poor infrastructure, and inadequate funding, public health institutions are losing credibility. Coupled with the commercial interests of private providers, this creates a dual crisis of access and quality in the healthcare system.
  • Rebranding of Health Centres: The recent renaming of HWCs as “Ayushman Arogya Mandirs” raises concerns about cultural relevance and secularism in public health institutions, especially for non-Hindi-speaking populations, further undermining trust in the system.

Way forward: 

  • Strengthen Public Healthcare Infrastructure: Invest in enhancing secondary and tertiary care facilities in the public sector to reduce dependence on private hospitals.  
  • Integrate Health Insurance and Primary Care: Expand health insurance coverage to include outpatient and primary care services, and ensure that public health centers retain their focus on preventive and promotive care.  

Mains PYQ:

Q Public health system has limitation in providing universal health coverage. Do you think that private sector can help in bridging the gap? What other viable alternatives do you suggest? (UPSC IAS/2015)

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Climate Change Impact on India and World – International Reports, Key Observations, etc.

On uncommon cyclones in the Arabian Sea

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Tropical and temperate cyclone;

Mains level: Impact of climate change on cyclone;

Why in the News?

A rare August cyclone, named ‘Asna’, currently positioned off the Kutch coast is even more remarkable for having originated over land.

Why was there a lot of excitement over Asna?

  • “Asna” is notable because it’s the first cyclone in August in the North Indian Ocean since 1981. August is typically not part of the cyclone season in this region.
  • The cyclone began as a land-born depression that intensified as it moved over the warm waters of the Arabian Sea. It formed from a rare strong low-pressure system that grew unusually powerful over land.
  • Asna’s formation is linked to the broader context of rapid warming over the Arabian Sea, influenced by climate change. The northward shift of the low-level jet stream due to warming over West Asia contributed to its development.

Why does the North Indian Ocean have two cyclone seasons?

The North Indian Ocean has two distinct cyclone seasons due to the unique monsoonal circulation patterns in the region:

  • Pre-monsoon season (March-May): The Arabian Sea warms rapidly during this time as the sun crosses over to the Northern Hemisphere. The Bay of Bengal is relatively warmer and begins producing atmospheric convection and rainfall. This leads to cyclogenesis in both the Arabian Sea and the Bay of Bengal.
  • Post-monsoon season (October-December): This is the northeast monsoon season for India. The Arabian Sea cools due to the strong southwesterly winds and mixing of cold subsurface waters. However, the Bay of Bengal remains favourable for cyclogenesis. The post-monsoon season is the major cyclone season in the North Indian Ocean

How is climate change affecting the region?

  • Warming of the Indian Ocean: Climate change is amplifying the warming of the Indian Ocean, with more heat being transferred from the Pacific Ocean and Southern Ocean. This increases the overall sea surface temperature (SST), crucial for cyclone formation.
  • Monsoon and cyclones: The warming affects the monsoon patterns and has the potential to change cyclone intensity. More heat and moisture from the warming seas lead to more energy available for cyclones.
  • Impact on global ocean circulation: The warming of the Indian Ocean is also affecting global ocean currents, impacting heat uptake by the Pacific Ocean and water sinking in the North Atlantic. The Indian Ocean is playing a central role in global climate change processes.

Way forward: 

  • Strengthening Early Warning Systems: Enhance real-time monitoring and forecasting of cyclones, particularly in the pre- and post-monsoon seasons, using satellite data and advanced models.
  • Building Climate Resilience: Implement climate adaptation strategies, especially for coastal communities, by improving infrastructure and disaster preparedness to cope with increasing cyclone intensity due to climate change.

Mains PYQ:

Q Discuss the meaning of colour-coded weather warnings for cyclone prone areas given by India Meteorological Department. (UPSC IAS/2022)

 

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International Space Agencies – Missions and Discoveries

BepiColombo Mission

Note4Students

From UPSC perspective, the following things are important :

Prelims level: BepiColombo Mission

BepiColombo

Why in the News?

  • On Thursday, the ESA-Japan spacecraft “BepiColombo” made its closest approach to Mercury, capturing detailed images of its sunrise-lit surface and revealing the planet’s south pole.

Highlights of the Latest Flyby:

    • BepiColombo uses flybys of Earth, Venus, and Mercury to slow down and enter orbit around Mercury. This approach gives scientists new information about Mercury’s south pole and its unusual peak ring craters, which haven’t been studied much before.

    Note: Flybys are close passes of a spacecraft near a planet or celestial body

About BepiColombo Mission:

Details
Collaboration  European Space Agency (ESA) and Japan Aerospace Exploration Agency (JAXA)
Launch Date
  • October 20, 2018
  • Expected to enter Mercury’s orbit by late 2026.
Launch Vehicle Ariane 5 Rocket
Objectives
  • Study Mercury’s magnetic field
  • Investigate surface composition and geology
  • Analyze Mercury’s interaction with solar wind
  • Study exosphere and geological history
Spacecraft Components
  • ESA’s Mercury Planetary Orbiter (MPO):  Focus on surface and interior study
  • JAXA’s Mercury Magnetospheric Orbiter (MIO): Focus on magnetic field and surrounding space
Planned Flybys
  • 6 (Flybys of Earth, Venus, and Mercury)
  • Ongoing, with 4 out of 6 Mercury flybys completed
Craters Studied Vivaldi Crater, Stoddart Crater
Significance Second mission ever to orbit Mercury (after NASA’s Messenger, 2004)
Challenges
  • Mercury’s proximity to the Sun accelerates spacecraft, requiring multiple flybys to slow down
  • Thruster issues causing mission delay

 

PYQ:

[2008] What is the purpose of the US Space Agency’s Themis Mission, which was recently in the news?

(a) To study the possibility of life on Mars.

(b) To study the satellites of Saturn.

(c) To study the colourful display of high latitude skies.

(d) To build a space laboratory to study the stellar explosions.

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International Space Agencies – Missions and Discoveries

What is Helium and why is it used in Rockets?

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Helium

Why in the News?

Two NASA astronauts aboard Boeing’s Starliner will remain on the International Space Station (ISS) for an extended period due to issues with a faulty propulsion system, including helium leaks.

helium

About Helium

  • Helium is inert, meaning it does not react or combust when exposed to other substances.
  • This makes it ideal for pressurization and cooling systems in rockets and spacecraft.
  • With an atomic number of 2, Helium is second lightest element after hydrogen, helping to keep the rocket’s weight low, which is crucial for achieving the necessary speeds and altitudes to reach orbit.
  • It has an extremely low boiling point (-268.9°C), allowing it to stay in a gaseous state in super-cold environments, where many rocket fuels are stored.
  • Though non-toxic, helium cannot be inhaled on its own as it displaces oxygen, which is vital for human respiration.

How is Helium used for space applications?

  • Fuel Tank Pressurization: Helium pressurizes fuel tanks, ensuring a consistent flow of fuel to the rocket’s engines, even as the fuel is burned.
  • Cooling Systems: It also plays a key role in cooling systems, particularly in environments where rocket fuel and oxidizer need to be stored at extremely low temperatures.
  • Maintaining Tank Pressure: As fuel and oxidizer are consumed, helium fills the empty space left behind, ensuring the overall pressure inside the tanks remains stable.

Is Helium prone to leaks?

  • Helium’s small atomic size and low molecular weight make it prone to leaking through tiny gaps or seals in storage tanks and fuel systems.
  • Since helium is rare in Earth’s atmosphere, even minor leaks are easily detectable, making it a valuable tool for spotting potential faults in spacecraft fuel systems.
  • Examples of Leaks:
    • In May, hours before Boeing’s Starliner spacecraft attempted its first astronaut launch, sensors detected a small helium leak in one of its thrusters.
    • After Starliner launched in June, additional leaks were found in space, prompting NASA to return the spacecraft to Earth without its crew.

Alternatives to Helium

  • Argon and Nitrogen: Some rocket launches have experimented with other inert gases like argon and nitrogen, which are sometimes cheaper, but helium remains the industry standard.
  • Ariane 6’s Novel System: Europe’s new Ariane 6 rocket abandoned helium in favor of a pressurization system that converts small amounts of its liquid oxygen and hydrogen into gas for pressurizing the fuel.
    • However, during Ariane 6’s debut launch, this system failed in space, adding to the global rocket industry’s pressurization challenges.

PYQ:

[2012] A team of scientists at Brookhaven National Laboratory included those from India created the heaviest anti-matter (anti-helium nucleus). What is/are the implication/implications of the creation of anti-matter?

1. It will make mineral prospecting and oil exploration easier and cheaper.

2. It will help prove the possibility of the existence of stars and galaxies made of anti-matter.

3. It will help understand the evolution of the universe.

Select the correct answer using the codes given below:

(a) 1 only

(b) 2 and 3 only

(c) 3 only

(d) 1, 2 and 3

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International Space Agencies – Missions and Discoveries

What is the Principle of Planetary Protection?

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Principle of Planetary Protection

Why in the News?

  • Planetary protection is a crucial principle in space missions that travel from Earth to other planetary bodies, such as the Moon or Mars.
    • The goal is to preserve both Earth’s biosphere and the planetary body’s environment from contamination by alien microbial life.

About Planetary Protection:

Details
Definition Safeguarding Earth’s biosphere and other planetary bodies from microbial contamination during space missions.
Objective Prevent contamination of Earth’s environment and other planets by alien microbes or Earth-origin microorganisms.
Legal Basis Article IX of Outer Space Treaty (1967) mandates avoiding harmful contamination in space exploration.
Importance
  • Protects integrity of scientific research on other planets.
  • Prevents potential biological threats to Earth.
Methods of Implementation
  • Spacecraft sterilization (e.g. baking in a dry room at 120°C for 3 days).
  • Planning missions to avoid cross-contamination.
Key Applications Missions to Mars, Moon, Europa and other celestial bodies where contamination may disrupt research or pose risks.
Challenges Increased costs and technical demands for maintaining sterile spacecraft and environments.
Recent Example China’s Tianwen-3 Mars sample-return mission (2028) confirmed adherence to planetary protection principles.
Global Cooperation International space agencies follow planetary protection guidelines for sustainable and safe space exploration.

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Land Reforms

Enemy Properties in India 

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Enemy Property Act, 1968

Why in the News?

The Union Home Affairs Ministry has notified the auction of land in Uttar Pradesh previously owned by the family of former Pakistan President Pervez Musharraf.

Enemy Properties in India

Details
Definition Assets (movable and immovable) and properties of individuals or entities from countries at war with India, vested with CEPI.
History Concept initiated after India-Pakistan wars (1965 & 1971) and the 1962 Sino-Indian war.
Legislation Enemy Property Act, 1968; Enemy Property (Amendment and Validation) Act, 2017.
Custodian Custodian of Enemy Property for India (CEPI), under the Ministry of Home Affairs.
Total such Properties  12,611 enemy properties; 12,485 from Pakistani nationals, 126 from Chinese citizens.
States with Highest Properties Uttar Pradesh (6,255), followed by West Bengal, Delhi, Goa, Maharashtra, and Telangana.
Movable Assets Includes shares, gold, etc. Government has earned over ₹3,400 crore from the disposal of these assets.
Immovable Properties No immovable enemy property has been sold so far.

Significant Court Cases

Raja of Mahmudabad Case (2005) Supreme Court ruled in favor of the son of the Raja, allowing him to claim enemy properties. This led to multiple claims by heirs.
2010 Ordinance In response to the 2005 judgment, the government issued an ordinance to prevent the transfer of enemy properties to legal heirs.
2016 Amendment & Ordinance The 2016 Enemy Property (Amendment and Validation) Ordinance nullified previous court orders, ensuring enemy properties remain with the Custodian.

 

PYQ:

[2017] With reference to the ‘Prohibition of Benami Property Transactions Act, 1988 (PBPT Act)’, consider the following statements:

1. A property transaction is not treated as a benami transaction if the owner of the property is not aware of the transaction.

2. Properties held benami are liable for confiscation by the Government.

3. The Act provides for three authorities for investigations but does not provide for any appellate mechanism.

Which of the statements given above is/are correct?

(a) 1 only

(b) 2 only

(c) 1 and 3 only

(d) 2 and 3 only

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Swachh Bharat Mission

Swachh Bharat Mission averted 70,000 infant deaths a year

Note4Students

From UPSC perspective, the following things are important :

Mains level: Effectiveness of Swachh Bharat Mission;

Why in the News?

A new study published in the peer-reviewed “journal Nature” has found that the construction of toilets under the government’s “Swachh Bharat Mission” helped prevent approximately 60,000 to 70,000 infant deaths annually between 2011 and 2020.

Key Highlights of the Report:

  • Impact of SBM: The study revealed that districts with over 30% toilet coverage under SBM experienced reductions of 5.3 in the Infant Mortality Rate and 6.8 in the Under Five Mortality Rate per thousand live births.
    • Over 9.5 crore toilets being built across the country since 2014;
    • 564,658 villages being declared Open Defecation Free (ODF);
    • 30 States/UT’s being 100% covered with individual household latrines (as of 2019).
  • Unique Approach of SBM: The approach of combining toilet construction with substantial investments in IEC (Information, Education, and Communication) and community engagement represents a marked departure from traditional efforts in India.
  • Novel Evidence of Impact: The study provides novel evidence of reductions in infant and child mortality following SBM’s comprehensive national sanitation program, indicating its transformative role in improving public health outcomes.
  • Asian Enigma: The report touches on the “Asian Enigma,” which highlights persistently high levels of undernutrition and stunting among children despite sufficient food availability, linking it to poor sanitation practices and open defecation.

 

Successful Journey since Inception (2014-present):

  • Phase I (2014): The SBM 1.0  aimed to make urban centers open-defecation-free and improve sanitation infrastructure, particularly toilets.
      • The mission targeted constructing household, community, and public toilets, converting insanitary latrines, and improving solid-waste management.
  • Phase II (2020): The SBM 2.0 commenced in 2020, and is expected to run till 2025-26. It aims to sustain the achievements of phase I and ensure that treatment of both liquid and solid waste is achieved through the help of technology and private sector engagement.
  • This will focus on making Indian cities garbage-free by improving scientific waste management systems.

Way forward: 

  • Global Model for Sanitation: India’s national sanitation campaign under SBM could serve as a model for other low- and middle-income countries where sanitation remains a major public health challenge.
  • Focus on Behavioral Change: Alongside infrastructure development, efforts are needed to sustain behavioural changes to eliminate open defecation.
  • Expand Sanitation Infrastructure in Rural Areas: Prioritize extending sanitation coverage and scientific waste management systems to underserved rural regions, building on the success of SBM to reduce mortality further and improve public health.

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Capital Markets: Challenges and Developments

House Panel includes SEBI review in agenda, likely to summon Buch 

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Market Economy; SEBI; Public Accounts Committee (PAC)

Mains level: Market Economy; Issues related to regulatory bodies;

Why in the News?

The Public Accounts Committee (PAC) has included a review of SEBI’s performance, amid political controversy surrounding chairperson Madhabi Puri Buch following Hindenburg Research’s allegations.

What are the allegations against SEBI?  

  • Conflict of Interest: SEBI chairperson Madhabi Puri Buch faces conflict of interest allegations due to her past ICICI Bank role amid Adani investigations.
  • Toxic Work Environment: Reports have surfaced from approximately 500 SEBI employees claiming that the work culture at the regulatory body is “toxic and fearful.” This has led to demands for an impartial inquiry into the alleged workplace issues and the overall management of SEBI.
  • Response to Allegations: Buch and SEBI have denied wrongdoing, asserting that all necessary disclosures and recusal norms have been followed diligently.

Significance and Functions of the Public Accounts Committee (PAC)

The PAC was introduced in 1921 after its first mention in the Government of India Act, 1919 (Montford Reforms).

  • Oversight Role: The PAC serves as a parliamentary watchdog for government spending, ensuring accountability and transparency in the use of public funds. It plays a crucial role in auditing the revenue and expenditure of the government.
  • Review of Regulatory Bodies: The PAC has the authority to review the performance of regulatory bodies established by the Act of Parliament.
  • Suo-motu subjects: The PAC can select subjects for in-depth examination beyond the standard audit reports, allowing it to address pressing issues that may arise in the public interest, such as the allegations against SEBI’s chairperson.
  • Advisory Role: While the PAC can make recommendations based on its findings, it does not have the authority to enforce compliance. Its recommendations are advisory in nature.

How SEBI can improve its regulation considering recent challenges? (Way forward) 

  • Enhanced Disclosure Regulations: SEBI has already made progress with the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2023, but further refinement is needed.
    • It should focus on clarifying the scope of disclosures required from companies, particularly regarding financial irregularities and conflicts of interest.
  • Bolstering Whistleblower Protections: SEBI should strengthen its whistleblower protection framework to encourage the reporting of internal issues or malpractices, ensuring accountability and protection for informants.
  • Improving Internal Governance and Work Culture: SEBI can address concerns about a toxic work environment by conducting independent reviews of its internal governance, improving employee welfare, and fostering a transparent, positive work culture.
  • Collaborating with Global Regulatory Bodies: SEBI can work more closely with global financial regulators to align with international best practices and enhance cross-border market oversight, ensuring that India’s markets remain resilient and transparent.

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Tourism Sector

A tourism policy ill-suited for Jammu and Kashmir  

Note4Students

From UPSC perspective, the following things are important :

Mains level: Impact of Tourism policy on Himalayan areas;

Why in the News?

Kashmir’s fragile environment faces severe damage from urbanization, commercialization, and climate change, underscoring the urgent need for a resilient and sustainable tourism model.

Aims and Objectives of J&K Tourism Policy

  • Promoting all forms of Tourism: The policy aims to promote traditional recreational tourism as well as adventure, pilgrimage, spiritual, and health tourism. This diversification can attract a wider range of tourists.
  • Sustainable Practices: The policy emphasizes the need for sustainable tourism practices that minimize environmental degradation, conserve water, and protect biodiversity.
  • Infrastructure Development: It seeks to improve infrastructure, including hotels, roads, and recreational facilities, to accommodate the growing number of tourists.
  • Community Engagement: The policy aims to include local communities in tourism planning and decision-making processes, promoting their involvement in conservation efforts and sustainable practices.
  • Diversification of Tourism: By promoting various forms of tourism, such as eco-tourism, adventure tourism, and cultural tourism, the policy aims to reduce over-reliance on traditional tourist spots and distribute tourist footfall more evenly across the region.

What are the effects of the new Policy? 

Positive Impacts  Negative Impacts:
  • Increased Tourist Influx: Since the announcement of the New Tourism policy in 2020, over 40 million tourists have visited Kashmir.
  • Increase in Employment: The policy helps to generate employment of approximately 50,000 people per year, which can significantly boost the local economy.
  • Promotes Culture and Festivals: The policy promotes city-wise events and festivals with a pre-defined calendar to attract tourists.
  • Boosting Exports and Collaborations: The policy helps the handicraft industry, which was earlier limited to select destinations, to directly export and collaborate both nationally and internationally.
  • Environmental Stress: The rapid increase in tourist activities has led to significant ecological disturbances, including deforestation, waste accumulation, and pollution of water bodies.
  • Increase in Infra-strain: It also resulted in encroachment on natural habitats and increased pressure on local resources, such as water and electricity.
  • Climate Change Impact: The region is experiencing accelerated effects of climate change, including glacial depletion and erratic weather patterns, which threaten agricultural sustainability and water availability.

Major Challenge: Fragility of the Region

  • Natural Disasters: Jammu and Kashmir is prone to natural disasters such as earthquakes, floods, and landslides, which can be exacerbated by unchecked commercialization and environmental degradation.
  • Ecological Sensitivity: The region’s delicate ecosystems are highly vulnerable to the impacts of tourism and urbanization, necessitating careful management to prevent irreversible damage.
  • Resource Depletion: The increased demand for water and energy resources is leading to the depletion of aquifers and heightened reliance on hydroelectric projects, which disrupt local aquatic ecosystems.

Need for a Resilient Tourism Model (Way Forward)

  • Sustainable Tourism Practices: There is an urgent need to adopt a resilient and sustainable tourism model that prioritizes eco-friendly practices, waste reduction, and conservation of natural resources.
  • Community Involvement: Engaging local communities in tourism planning and decision-making is crucial for fostering sustainable practices and ensuring that the benefits of tourism are shared equitably.
  • Infrastructure Resilience: Developing infrastructure that can withstand extreme weather events and diversifying tourism offerings beyond peak seasons will help mitigate the impacts of climate change.
  • Policy Integration: A cohesive approach that integrates sustainable tourism policies with broader economic and environmental strategies is essential for preserving the region’s natural beauty while supporting local economies.

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Tiger Conservation Efforts – Project Tiger, etc.

National Tiger Conservation Authority (NTCA)

Note4Students

From UPSC perspective, the following things are important :

Prelims level: NTCA

Why in the News?

The National Tiger Conservation Authority (NTCA), the apex body responsible for tiger conservation, recently issued directives urging 19 States to prioritize the relocation of villagers residing in core tiger zones.

NTCA’s Directive:

  • According to the NTCA, 591 villages, comprising 64,801 families, reside in the core tiger zone, posing a significant concern for tiger conservation.
  • The core zone refers to the part of a tiger reserve where human activities such as hunting and forest produce collection are PROHIBITED, and tribals CANNOT reside.
    • Outside the core zone is the buffer zone, where certain activities are allowed but regulated.

About National Tiger Conservation Authority (NTCA):

Details
Constitution Statutory body under MoEFCC, constituted under Wildlife (Protection) Act, 1972.
Chairmanship Chaired by the Minister for Environment and Forests.
Structure 8 experts in wildlife conservation and tribal welfare.
3 MPs.
Inspector General of Forests as ex-officio Member Secretary.
Objectives • Provide statutory authority to Project Tiger.
• Enhance Centre-State accountability in managing Tiger Reserves.
• Provide parliamentary oversight.
• Address livelihood concerns of local communities.
Powers and Functions • Approve state-prepared tiger conservation plans.
• Prevent unsustainable land use in Tiger Reserves.
• Set standards for tourism and tiger conservation guidelines.
• Conduct tiger censuses (via M-STrIPES app).
• Support biodiversity conservation through eco-development and people’s participation.
Key Initiative Project Tiger, a Centrally Sponsored Scheme for in-situ conservation of tigers, launched on April 1, 1973.

 

PYQ:

[2014] Consider the following statements:

1. Animal Welfare Board of India is established under the Environment (Protection) Act, 1986.

2. National Tiger Conservation Authority is a statutory body.

3. National Ganga River Basin Authority is chaired by the Prime Minister.

Which of the statements given above is/ are correct?

(a) 1 only

(b) 2 and 3 only

(c) 2 only

(d)1, 2 and 3

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Innovations in Biotechnology and Medical Sciences

Yellow Food Dye can improve Cancer Treatment

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Yellow Food Dye

Why in the News?

Recent research reveals that FD&C Yellow 5, a common food dye, can temporarily make tissue transparent, with potential implications for cancer treatment and medical procedures.

About Yellow Food Dye 

  • FD&C Yellow 5, also known as Tartrazine, is a widely used synthetic food dye found in various snacks, drinks, and processed foods.
  • Approved by the FDA, it is commonly used to give products a vibrant yellow color.

How does it work?

  • The dye has the ability to make tissue transparent is based on its interaction with light, specifically through the Kramers-Kronig relations, a principle in physics.
  • It absorbs blue light, leaving only the red-orange spectrum visible.
  • This alters the refractive index of water, causing it to match the refractive index of fats and proteins in tissue.
  • When the refractive indices match, light can pass through tissue with less scattering, creating the appearance of transparency.

Potential Medical Applications of Yellow Food Dye

  • Cancer Treatment: By making tissues transparent, FD&C Yellow 5 could enhance photodynamic and photothermal therapies, allowing laser light to reach deeper tissues and target cancerous cells more effectively.
  • Vein Visibility: Transparent tissues could help make veins more visible, aiding in procedures like venepuncture for blood draws or injections, particularly in patients with hard-to-see veins.
  • Non-invasive Diagnostics: The dye could allow doctors to visualize internal organs and structures without the need for invasive procedures like biopsies or expensive imaging technologies like CT scans or MRIs.

PYQ:

[2018] Consider the following statements:

1. The Food Safety and Standards Act, 2006 replaced the Prevention of Food Adulteration Act, 1954.

2. The Food Safety and Standards Authority of India (FSSAI) is under the charge of Director General of Health Services in the Union Ministry of Health and Family Welfare.

Which of the statements given above is/are correct?

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

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