Note4Students
From UPSC perspective, the following things are important :
Prelims level: Milky Sea Phenomenon
Mains level: NA
Some researchers would use satellites to study the elusive milky sea phenomenon.
What is the Milky Sea?
- Milky seas, also called mareel, is a luminous phenomenon in the ocean in which large areas of seawater appear to glow translucently (in varying shades of blue).
- Such occurrences glow brightly enough at night to be visible from satellites orbiting Earth.
- They are a rare nocturnal phenomenon in which the ocean’s surface emits a steady bright glow.
Why do they glow?
- Luminous bacteria cause the particles they colonize to glow.
- The purpose of this glow could be to attract fish that eat them.
- These bacteria thrive in the guts of fishes, so when their populations get too big for their main food supply, a fish’s stomach makes a great second option.
How do they occur?
- It is typically caused by Noctiluca scintillans (popularly known as “sea sparkle”), a dinoflagellate that glows when disturbed and is found in oceans throughout much of the world.
- Once their population gets large enough – about 100 million individual cells per millilitre of water – a sort of internal biological switch is flipped and they all start glowing steadily.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Jallianwala Bagh Massacre
Mains level: Not Much
Prime Minister has virtually inaugurated the renovated Jallianwala Bagh complex in Amritsar.
What led to Jallianwala Bagh Massacre?
Protesting the contentious Rowlatt Act
- The act officially known as the Anarchical and Revolutionary Crimes Act, 1919 was passed in 1919 by the Imperial Legislative Council.
- It had authorized the British government to arrest anybody suspected of terrorist activities.
- It also authorized the government to detain such people arrested for up to 2 years without trial.
- It empowered the police to search a place without a warrant. It also placed severe restrictions on the freedom of the press.
- The primary intention of colonial govt. was to repress the growing nationalist movement in the country.
- The British were also afraid of a Ghadarite revolution in Punjab and the rest of the country.
The day
- The massacre took place on 13 April 1919 when troops of the British Indian Army under the command of Col. Reginald Dyer fired rifles into a crowd of Indians.
- The civilians had assembled for a peaceful protest to condemn the arrest and deportation of two national leaders, Satya Pal and Saifuddin Kitchlew.
- Dyer without warning ordered his troops to fire at the unarmed crowd which included children as well.
- The indiscriminate firing went on for about 10 minutes which resulted in the deaths of at least 1000 people and injured more than 1500 people.
Aftermath
- In protest against the massacre, Rabindranath Tagore gave up his knighthood.
- Gandhiji relinquished his title ‘Kaiser-e-hind’ bestowed on him by the British for his services during the Boer War in South Africa.
- Michael O’Dwyer, the then Lieutenant-Governor of Punjab, who had approved the actions of Dyer, was assassinated by Udham Singh in London in 1940 as revenge against the massacre.
- The heroic treatment of Dyer’s heinous act again set a benchmark of colonial arrogance.
Hunter Commission for inquiry
- In October 1919 the Secretary of State for India, Edwin Montagu, ordered the formation of a committee of inquiry into the events in Punjab.
- Referred to as the Disorders Inquiry Committee, it was later more widely known as the Hunter Commission (Not to be confused with Hunter Education Commission).
- Still, there are long-standing demands in India that Britain should apologize for the massacre.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: BCG, TB and other respiratory diseases
Mains level: Not Much
The first use of BCG (Bacillus Calmette-Guerin), the vaccine against tuberculosis (TB) in humans have been completed for 100 years.
What is TB?
- TB is a very ancient disease and has been documented to have existed in Egypt as early as 3000 BC.
- It is caused by a bacterium called Mycobacterium tuberculosis, belonging to the Mycobacteriaceae family consisting of about 200 members.
- Some of these cause diseases like TB and leprosy in humans and others infect a wide range of animals. Mycobacteria are also widely dispersed in the environment.
- In humans, TB most commonly affects the lungs (pulmonary TB), but it can also affect other organs (extra-pulmonary TB).
Yet not eliminated
- Other historically dreaded diseases like smallpox, leprosy, plague, and cholera have been either eradicated or controlled to a large extent due to advances in science and technology.
- However, TB continues to be a major public health problem in the world.
- According to the WHO’s Global TB Report, 10 million people developed TB in 2019 with 1.4 million deaths. India accounts for 27% of these cases.
BCG Vaccine for TB
- BCG was developed by two Frenchmen, Albert Calmette and Camille Guerin, by modifying a strain of Mycobacterium Bovis (that causes TB in cattle) till it lost its capacity to cause disease while retaining its property to stimulate the immune system.
- It was first used in humans in 1921.
- Currently, BCG is the only licensed vaccine available for the prevention of TB.
- It is the world’s most widely used vaccine with about 120 million doses every year and has an excellent safety record.
BCG in India
- In India, BCG was first introduced on a limited scale in 1948 and became a part of the National TB Control Programme in 1962.
- India is committed to eliminating TB as a public health problem by 2025.
Effectiveness of BCG
- One intriguing fact about BCG is that it works well in some geographic locations and not so well in others.
- Generally, the farther a country is from the equator, the higher is the efficacy.
- In children, BCG provides strong protection against severe forms of TB.
- This protective effect appears to wane with age and is far more variable in adolescents and adults, ranging from 0–80%.
- In addition to its primary use as a vaccine against TB, BCG also protects against respiratory and bacterial infections of newborns and other mycobacterial diseases like leprosy and Buruli’s ulcer.
- It is also used as an immunotherapy agent in cancer of the urinary bladder and malignant melanoma.
Try answering this PYQ:
What is the importance of using pneumococcal conjugate vaccines in India? (CSP 2020)
- These vaccines are effective against pneumonia as well as meningitis and sepsis.
- Dependence on antibiotics that are not effective against drug-resistant bacteria can be reduced.
- These vaccines have no side effects and cause no allergic reactions
Select the correct answer using the given code below:
(a) 1 only
(b) 1 and 2 only
(c) 3 only
(d) 1, 2 and 3
Post your answers here.
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From UPSC perspective, the following things are important :
Prelims level: Hurricane (Tropical Cycolnes)
Mains level: Impact of frequent cyclonic landfalls
Hurricane Ida has made landfall in Louisiana, US as an extremely dangerous Category 4 storm.
What is a Hurricane?
- A hurricane is a tropical cyclone that occurs in the Atlantic Ocean and the northeastern Pacific Ocean.
- And a typhoon occurs in the northwestern Pacific Ocean; in the south Pacific or the Indian Ocean, comparable storms are referred to simply as “tropical cyclones” or “severe cyclonic storms”.
What are Tropical Cyclones?
A Tropical cyclone is an intense circular storm that originates over warm tropical oceans and is characterized by low atmospheric pressure, high winds, and heavy rain.
- Cyclones are formed over slightly warm ocean waters. The temperature of the top layer of the sea, up to a depth of about 60 meters, need to be at least 28°C to support the formation of a cyclone.
- This explains why the April-May and October-December periods are conducive for cyclones.
- Then, the low level of air above the waters needs to have an ‘anticlockwise’ rotation (in the northern hemisphere; clockwise in the southern hemisphere).
- During these periods, there is an ITCZ in the Bay of Bengal whose southern boundary experiences winds from west to east, while the northern boundary has winds flowing east to west.
- Once formed, cyclones in this area usually move northwest. As it travels over the sea, the cyclone gathers more moist air from the warm sea which adds to its heft.
Try this question from CSP 2020:
Q.Consider the following statements:
- Jet Streams occur in the Northern Hemisphere only.
- Only some cyclones develop an eye.
- The temperature inside the eye of a cyclone is nearly 10 degree Celsius lesser than that of the surroundings.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 2 only
(d) 1 and 3 only
Post your answers here.
Destruction caused
- Strong Winds: Cyclones are known to cause severe damage to infrastructure through high-speed winds.
- Torrential rains and inland flooding: Torrential rainfall (more than 30 cm/hour) associated with cyclones is another major cause of damages. Unabated rain gives rise to unprecedented floods.
- Storm Surge: A Storm surge can be defined as an abnormal rise of sea level near the coast caused by a severe tropical cyclone.
Some (unexpected) benefits
Although Tropical cyclones are known for the destruction they cause, when they strike they also bestow certain benefits to the climatic conditions of that area such as
- Relieve drought conditions
- Carry heat and energy away from the tropics and transport it towards temperate latitudes
- Maintain a relatively stable and warm temperature worldwide
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Also read:
[Burning Issue] Tropical Cyclones and India
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Pantanal Wetlands
Mains level: Not Much
Pantanal, the world’s largest tropical wetlands is facing a severe crisis due to wildfires and climate change.
Pantanal Wetlands
- The Pantanal is a natural region encompassing the world’s largest tropical wetland area, and the world’s largest flooded grasslands.
- It is located mostly within the Brazilian and extends to some portions of Bolivia and Paraguay.
- It sprawls over an area estimated at between 140,000 and 195,000 square kilometer.
- Roughly 80% of the Pantanal floodplains are submerged during the rainy seasons, nurturing a biologically diverse collection of aquatic plants and helping to support a dense array of animal species.
Risks faced
- Unlike the Amazon rainforest, vegetation in the Pantanal has evolved to coexist with fire — many plant species there require the heat from fires to germinate.
- Often caused by lightning strikes, those natural fires spring up at the end of the dry season, but the surrounding floodplains prevent them from spreading.
- What’s different now is the drought, contributing further to the unusually dry conditions and exacerbating the fire risk.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Kolkata City
Mains level: Urban development of colonial period
A 2003 judgment by the Calcutta High Court generates discussion of the city’s age, its date of founding, and Job Charnock, whom many credits for having “found” the city of Calcutta.
Calcutta: Who founded the city?
Nobody.
- A place then called Kalikatah was an important religious centre due to the existence of the Kali temple in the adjacent village of Kalighat.
- The first literary reference to the site is found in Bipradas Pipilai’s magnum opus Manasa Mangala which dates back to 1495.
- Abul Fazl’s Ain-I-Akbari dating 1596 also mentions the place.
- The Sabarna Roy Choudhury family was granted the Jagirdari of Kalikatah by Emperor Jehangir in 1608.
Who was Job Charnock?
- Job Charnock (1630–1693) was an English administrator with the East India Company.
- He was once regarded as the founder of the city of Kolkata (formerly Calcutta).
- However, this view is challenged, and in 2003 the Calcutta High Court declared that he ought not to be regarded as the founder.
- Charnock was entrusted with procuring the Company’s saltpetre and appointed to the centre of the trade, Patna in Bihar in1659.
Beginning of Urbanization
- The establishment of the Government House in 1767 and the Lottery Commission in 1817 were the other important developments in the city’s history that gave its urban landscape more defined contours.
- This commission was entirely responsible for the setting up of the city’s roads, streets and lanes.
- Some markers of urban settlements include planned roads, water supply and transport.
- The establishment of these in the early 19th century was responsible for making Calcutta the great city that it eventually became.
Significance of Kolkata
One of the most significant developments that gave the city a semblance of urban formation occurred in 1756 when the Nawab of Bengal Siraj ud-Daulah lay siege to Calcutta.
- This was in retaliation for the British East India Company engaging in unauthorized development of the structure that is now known as Fort William.
- The East India Company was defeated in a decisive battle, making them realise the vulnerability of the fort.
- Post 1757 the fort was remade and fortified with enhanced protection, the construction was exceptionally well done.
- It was really this attack on Fort William, a bastion of the British and other Europeans living there, that changed the map of Calcutta.
- The Europeans who used to primarily lived inside the fort—the European merchants, the administrators etc—started moving out.
- They knew that if there was an attack, there was infrastructure to save them. That was European Calcutta, what we call ‘White Town’.
Hey! We won’t let you move away without answering this PYQ:
Wellesley established the Fort William College at Calcutta because (CSP 2020):
(a) He was asked by the board of directors at London to do so
(b) He wanted to revive interest in oriental learning in India
(c) He wanted to provide William Carey and his associates with employment
(d) He wanted to train British civilians for administrative purposes in India.
Post your answers here:
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: SUJALAM Campaign
Mains level: Not Much
The Ministry of Jal Shakti began ‘SUJALAM’, a ‘100 days campaign’ to create more and more ODF Plus villages by undertaking wastewater management at the village level.
SUJALAM Campaign
The key activities that will be organized in the villages under this campaign include:
- Organizing Community consultations, Khuli Baithaks and Gram Sabha meetings to analyze the current situation
- Pass resolution to maintain ODF sustainability and achieve a needed number of soak pits to manage the greywater
- Develop a 100 days’ plan to undertake sustainability and soak pit construction-related activities
- Construct a requisite number of soak pits
- Retrofit toilets where needed through IEC and community mobilization and
- Ensure all newly emerging Households in the village have access to toilets
Objectives of the campaign
- The effort of the campaign would be directed towards achieving the ODF plus status for villages across the country in an accelerated manner in a short time.
- The campaign will not only build desired infrastructure soak pit for management of greywater in villages but will also aid in sustainable management of water bodies.
- The disposal of wastewater and clogging of water bodies in the villages or on the outskirts of the villages remain one of the major problems.
- The Campaign would help in the management of the wastewater and in turn, would help to revive the water bodies.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Sri Guru Granth Sahib
Mains level: Not Much
A union minister has received one of the Saroops of the holy Guru Granth Sahib flown in from Afghanistan.
What is Saroop?
- Saroop is a physical copy of Sri Guru Granth Sahib, also called Bir in Punjabi.
- Every Bir has 1,430 pages, which are referred to as Ang. The verses on every page remain the same.
- The Sikhs consider the Saroop of Guru Granth Sahib a living guru and treat it with utmost respect.
- They believe that all the 10 Gurus were the same spirit in different bodies, and the Guru Granth Sahib is their eternal physical and spiritual form.
Compilation of Sri Guru Granth Sahib
- It was the fifth Sikh master, Guru Arjan Dev, who compiled the first Bir of the Guru Granth Sahib in 1604, and installed it at the Golden Temple in Amritsar.
- Later, the tenth Sikh master, Guru Gobind Singh, added verses penned by the ninth master, his father Guru Tegh Bahadur, and compiled the Bir for the second and last time.
- It was in 1708 that Guru Gobind Singh declared the Guru Granth Sahib the living Guru of the Sikhs.
- Guru Granth Sahib is a compendium of hymns written by six Sikh gurus,15 saints, including Bhagat Kabir, Bhagat Ravidas, Sheikh Farid and Bhagat Namdev, 11 Bhatts (balladeers) and four Sikhs.
- The verses are composed in 31 ragas.
What does the act of carrying the saroop on one’s head signify?
- The installation and transportation of Guru Granth Sahib is governed by a strict code of conduct called rehat maryada.
- As a mark of respect, the Bir of the Guru Granth Sahib is carried on the head, and the person walks barefoot.
- Whenever a devout sees the Bir of Guru Granth Sahib passing by, s/he removes her shoes and bows.
- A ceremonial whisk is waved high over the Guru Granth Sahib either on the move or while reading from it.
- Gurdwaras have a separate resting place for the Saroop, called ‘Sukh Asan Sthan’ or ‘Sachkhand’ where the Guru rests at night.
- This takes place at the end of the day when the holy book is ceremoniously shut and rested. In the morning, the saroop is again installed in a ceremony called ‘prakash’.
- Many tourists specially come to watch the prakash and sukha asan ceremony of the Guru Granth Sahib at the Golden Temple.
Where are copies of the Guru Granth Sahib published?
- There was a tradition among Punjabis, both Sikhs and Hindus, to copy the Guru Granth Sahib by hand and produce multiple copies.
- The Udasi and Nirmla sects also played a role in making handwritten copies of the Birs until the British introduced the printing press.
- Nowadays, the Shiromani Gurdwara Parbandhak Committee (SGPC) has the sole rights to publish the Birs of the Guru Granth Sahib, and this is done at Amritsar.
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Try answering this PYQ:
Consider the following Bhakti Saints:
- Dadu Dayal
- Guru Nanak
- Tyagaraja
Who among the above was/were preaching when the Lodi dynasty fell and Babur took over? (CSP 2018)
(a) 1 and 3
(b) 2 only
(c) 2 and 3
(d) 1 and 2
Post your answers here:
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Jim Corbett NP, NTCA
Mains level: Tiger Conservation
The Delhi High Court has asked the National Tiger Conservation Authority (NTCA) to consider as a representation a petition to stop the alleged illegal construction of bridges and walls within the tiger breeding habitat of the Corbett Tiger Reserve.
Jim Corbett National Park
- Jim Corbett NP is the oldest national park in India and was established in 1936 as Hailey National Park to protect the endangered Bengal tiger.
- It is located in Nainital district and Pauri Garhwal district of Uttarakhand and was named after hunter and naturalist Jim Corbett.
- The park was the first to come under the Project Tiger initiative.
- It has sub-Himalayan belt geographical and ecological characteristics.
- Dense moist deciduous forest mainly consists of sal, haldu, peepal, rohini and mango trees.
- Forest covers almost 73% of the park, while 10% of the area consists of grasslands.
Try answering this PYQ:
Among the following Tiger Reserves, which one has the largest area under “Critical Tiger Habitat” ? (CSP 2020)
(a) Corbett
(b) Ranthambore
(c) Nagarjunasagar- Srisailam
(d) Sunderbans
Post your answers here:
Back2Basics: National Tiger Conservation Authority
- The NTCA was established in December 2005, following a recommendation of the Tiger Task Force, constituted by the Prime Minister of India.
- The Wildlife Protection Act of 1972 was amended in 2006 to provide for constituting NTCA responsible for the implementation of the Project Tiger plan to protect endangered tigers.
- It works for the reorganized management of Project Tiger and the many Tiger Reserves in India.
- A program for protection called, ‘Tiger Protection Program’ (popularly known as Project Tiger) was started in 1973, by the GOI in co-operation with WWF.
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From UPSC perspective, the following things are important :
Prelims level: Sree Narayana Guru
Mains level: SNDP Movement
The Prime Minister has paid tributes to Sree Narayana Guru on his Jayanti.
Sree Narayana Guru (1856-1928)
- Narayana Guru was a philosopher, spiritual leader and social reformer in India.
- He led a reform movement against the injustice in the caste-ridden society of Kerala in order to promote spiritual enlightenment and social equality.
His legacy:
Temple Entry
- He was in the forefront of the movement for universal temple entry and against the societal ills like the social discrimination of untouchables.
- He gave the famous slogan “One Caste, One Religion, One God for All”.
- In 1888, he built a temple dedicated to Lord Shiva at Aruvippuram which was against the caste-based restrictions of the time.
- In one temple he consecrated at Kalavancode, he kept mirrors instead of idols. This symbolised his message that the divine was within each individual.
Untouchability
- The social protest of Vaikom Satyagraha (1924-25) was an agitation by the lower caste against untouchability in Hindu society of Travancore.
- He taught equality but felt the inequalities should not be exploited to carry out conversions and therefore generate strife in society.
Philosophy
- Sree Narayana Guru became one of the greatest proponents and re-evaluators of Advaita Vedanta, the principle of non-duality put forward by Adi Shankara.
Answer this PYQ:
Q.Which one of the following pairs does not form part of the six systems of Indian Philosophy?
(a) Mimamsa and Vedanta
(b) Nyaya and Vaisheshika
(c) Lokayata and Kapalika
(d) Sankhya and Yoga
Post your answers here.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: India's largest solar PV Project
Mains level: Renewable Energy in India
The National Thermal Power Corporation (NTPC) has commissioned the largest floating solar PV project of 25MW on the reservoir of its Simhadri thermal station in Visakhapatnam, Andhra Pradesh.
Simhadri PV Project
- The 2000MW coal-based Simhadri Station is the first power project to implement an open sea intake from the Bay of Bengal which has been functional for more than 20 years.
- This is the first solar project to be set up under the flexibilization scheme of coal-powered plant, notified in 2018.
- The floating solar installation which has a unique anchoring design is spread over 75 acres in an RW reservoir.
- This floating solar project has the potential to generate electricity from more than 1 lakh solar PV modules.
- This would not only help to light around 7,000 households but also ensure at least 46,000 tons of CO2e are kept at arm’s length every year during the lifespan of this project.
- The project is also expected to save 1,364 million litres of water per annum. This would be adequate to meet the yearly water requirements of 6,700 households.
Other important facts you must know
- As of May 2021, India has 95.7 GW of renewable energy capacity, and represents ~ 25% of the overall installed power capacity.
- The government plans to establish renewable energy capacity of 523 GW (including 73 GW from Hydro) by 2030.
- India was the world’s 3rd largest renewable energy producer with 38% (136 GW out of 373 GW) of total installed energy capacity in 2020 from renewable sources.
- Tamil Nadu has the highest installed solar power capacity in India. Kamuthi Solar Power Project near Madurai is the world’s second-largest solar park.
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Back2Basics: NTPC
- NTPC is an Indian statutory corporation engaged in the generation of electricity and allied activities.
- It is incorporated under the Companies Act 1956 and is under the jurisdiction of the Ministry of Power.
- NTPC’s core function is the generation and distribution of electricity to State Electricity Boards in India.
- It is the largest power company in India with an electric power generating capacity of 62,086 MW.
- It has also ventured into oil and gas exploration and coal mining activities.
- In May 2010, NTPC was conferred Maharatna status by GoI, one of the only four companies to be awarded this status.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Turmeric
Mains level: NA
Researchers have come forward with some interesting findings on Turmeric.
Turmeric
- Turmeric has about 3% of the active component molecule called curcumin, a polyphenol diketone (and not a steroid).
- Researchers point out that there is another molecule in turmeric called piperine, which is an alkaloid, responsible for the pungency of pepper that we use every day in our cooking, along with turmeric.
- Piperine enhances curcumin absorption in the body. It gives turmeric its multivariate healing and protective power.
Benefits of turmeric consumption
- Turmeric has been known for over 4,000 years in the Indian subcontinent, West Asia, Burma, Indonesia and China, and is used as an essential part of our daily food – what the colonials called curry powder.
- It has also been known as a medicine for ages, and to have anti-bacterial, anti-oxidant and anti-inflammatory properties.
- Herbal medicine experts have used turmeric to treat painful symptoms of arthritis, joint stiffness, and joint pain.
- They have also claimed that turmeric helps cure acute kidney injuries. Some of these claims need to be checked using controlled trials.
Against COVID-19
- Most recently, an exciting study has recently been published by a group in Mumbai which shows that turmeric aids in the treatment of COVID-19 patients.
- The researchers did a trial of about 40 COVID-19 patients and found that turmeric could substantially reduce morbidity and mortality.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Moplah Revolt
Mains level: Various tribal uprisings in India
This August 20, marked the centenary of the Malabar rebellion, which is also known as the Moplah riots.
Try this question from CSP 2020:
Q. With reference to the history of India, “Ulgulan” or the Great Tumult is the description of which of the following event?
(a) The Revolt of 1857
(b) The Mappila Rebellion of 1921
(c) The Indigo Revolt of 1859-60
(d) Birsa Munda’s Revolt of 1899-1900
Sign-in to post your answers here.
Malabar Rebellion
- The Malabar Rebellion in 1921 started as resistance against the British colonial rule and the feudal system in southern Malabar but ended in communal violence between Hindus and Muslims.
- There were a series of clashes between Mappila peasantry and their landlords, supported by the British, throughout the 19th and early 20th centuries.
- It began as a reaction against a heavy-handed crackdown on the Khilafat Movement, a campaign in defence of the Ottoman Caliphate by the British authorities in the Eranad and Valluvanad taluks of Malabar.
- The Mappilas attacked and took control of police stations, British government offices, courts and government treasuries.
Who was Variyankunna Kunjahammed Haji?
- He was one of the leaders of the Malabar Rebellion of 1921.
- He raised 75000 natives, seized control of large territory from the British rule and set up a parallel government.
- In January 1922, under the guise of a treaty, the British betrayed Haji through his close friend Unyan Musaliyar, arresting him from his hideout and producing him before a British judge.
- He was sentenced to death along with his compatriots.
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Also read
Important Rebellion
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Greenland
Mains level: Not Much
Recently the summit of Greenland received rain and not snow. This has sparked fear as scientists are pointing to it as evidence that Greenland is warming rapidly.
About Greenland
- Greenland is the world’s largest island located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago.
- It is an autonomous territory within the Kingdom of Denmark.
- Though physiographically a part of the continent of North America, Greenland has been politically and culturally associated with Europe (specifically Norway and Denmark, the colonial powers).
- The majority of its residents are Inuit, whose ancestors migrated from Alaska through Northern Canada, gradually settling across the island by the 13th century.
- It has three-quarters of its surface covered with a permanent ice sheet, which is increasingly coming under threat because of climate change.
Rain at Greenland: The rarest phenomenon
- At the highest point on Greenland’s ice sheet, the US maintains a Summit Station, a research facility that observes changes occurring over the island as well as in Arctic weather.
- Researchers observed rain at the normally frigid summit, with the precipitation extending up to Greenland’s southeast coast.
- The rain, coupled with warm conditions, caused a major melting event at the summit.
- This led to rapid ice melting running off into the ocean in volumes, thus accelerating global sea-level rise.
A cause of worry
- Greenland, which is two-thirds the size of India, already witnessed one of its most severe melting events.
- It has lost 8.5 billion tons of surface mass in one day– the third such extreme event in the past decade.
- The UN’s “code red” climate report released last week concluded that the burning of fossil fuels led to Greenland melting in the last 20 years.
- The rapid melting is also threatening polar bears, which now have to make their way hundreds of kilometers towards Greenland’s interior from the coasts, where they usually find enough food.
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From UPSC perspective, the following things are important :
Prelims level: Panjshir Valley
Mains level: Not Much
The Taliban has sent hundreds of its fighters to the Panjshir Valley, one of the few parts of Afghanistan not yet controlled by the group.
Panjshir Valley
- Located 150 km north of Kabul, the Valley is near the Hindu Kush Mountain range.
- It’s divided by the Panjshir river and ringed by the Panjshir mountains in the north and the Kuhestan mountains in the south.
- The mountain tops are covered by snow throughout the year.
- This difficult terrain makes the Valley a nightmare for invaders.
Why is it significant?
- The Valley has repeatedly played a decisive role in Afghanistan’s military history, as its geographical position almost completely closes it off from the rest of the country.
- The only access point to the region is through a narrow passage created by the Panjshir River, which can be easily defended militarily.
- Famed for its natural defenses, the region tucked into the Hindu Kush mountains never fell to the Taliban during the civil war of the 1990s, nor was it conquered by the Soviets a decade earlier.
- Panjshir Valley was among the safest regions in the country during the time of the NATO-backed government from 2001 to 2021.
- The valley is also known for its emeralds, which were used in the past to finance the resistance movements against those in power.
Answer this PYQ:
Consider the following pairs
Towns: Country in news
- Aleppo: Syria
- Kirkuk: Yemen
- Mosul: Palestine
- Mazar-i-sharif: Afghanistan
Which of the pairs given above are correctly matched? (CSP 2018)
(a) 1 and 2
(b) 1 and 4
(c) 2 and 3
(d) 3 and 4
Post your answers here.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: G-Secs
Mains level: Not Much
The Reserve Bank of India (RBI) has announced that it will conduct an open market purchase of government securities of ₹25,000 crore under the G-sec Acquisition Programme (G-SAP 2.0).
Answer this PYQ in the comment box:
Q.Consider the following statements:
- The Reserve Bank of India manages and services the Government of India Securities but not any State Government Securities.
- Treasury bills are issued by the Government of India and there are no treasury bills issued by the State Governments.
- Treasury bills offer are issued at a discount from the par value.
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 3 Only
(c) 2 and 3 only
(d) 1, 2 and 3
Post your answers here:
What are Government Securities?
- These are debt instruments issued by the government to borrow money.
- The two key categories are:
- Treasury bills (T-Bills) – short-term instruments which mature in 91 days, 182 days, or 364 days, and
- Dated securities – long-term instruments, which mature anywhere between 5 years and 40 years
Note: T-Bills are issued only by the central government, and the interest on them is determined by market forces.
Why G-Secs?
- Like bank fixed deposits, g-secs are not tax-free.
- They are generally considered the safest form of investment because they are backed by the government. So, the risk of default is almost nil.
- However, they are not completely risk-free, since they are subject to fluctuations in interest rates.
- Bank fixed deposits, on the other hand, are guaranteed only to the extent of Rs 5 lakh by the Deposit Insurance and Credit Guarantee Corporation (DICGC).
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Nuclear Fusion Reaction
Mains level: Cleaner energy resources
California based researchers have announced that their experiment has made a breakthrough in nuclear fusion research.
What exactly is Nuclear Fusion?
- Nuclear fusion is defined as the combining of several small nuclei into one large nucleus with the subsequent release of huge amounts of energy.
- The difference in mass between the reactants and products is manifested as either the release or the absorption of energy.
- Nuclear fusion powers our sun and harnessing this fusion energy could provide an unlimited amount of renewable energy.
- An example of nuclear fusion is the process of four hydrogens coming together to form helium.
What was the experiment?
- In the experiment, lasers were used to heat a small target or fuel pellets.
- These pellets containing deuterium and tritium fused and produced more energy.
- The team noted that they were able to achieve a yield of more than 1.3 megajoules of heat energy.
- This megajoule of energy released in the experiment is indeed impressive in fusion terms.
How was the new breakthrough achieved?
- The team used new diagnostics, improved laser precision, and even made changes to the design.
- They applied laser energy on fuel pellets to heat and pressurize them at conditions similar to that at the center of our Sun. This triggered the fusion reactions.
- These reactions released positively charged particles called alpha particles, which in turn heated the surrounding plasma.
- At high temperatures, electrons are ripped from an atom’s nuclei and become a plasma or an ionized state of matter. Plasma is also known as the fourth state of matter.
- The heated plasma also released alpha particles and a self-sustaining reaction called ignition took place.
Future prospects: Benefits
- It is expected that fusion could meet humanity’s energy needs for millions of years.
- Fusion fuel is plentiful and easily accessible: deuterium can be extracted inexpensively from seawater, and tritium can be produced from naturally abundant lithium.
- Future fusion reactors will not produce high activity, long-lived nuclear waste, and a meltdown at a fusion reactor is practically impossible.
- Importantly, nuclear fusion does not emit carbon dioxide or other greenhouse gases into the atmosphere, and so along with nuclear fission could play a future climate change mitigating role as a low carbon energy source.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: MEIS, RODTEP Scheme
Mains level: Export promotion schemes in India
The Centre has notified the rates and norms for the Remission of Duties and Taxes on Exported Products (RoDTEP) scheme asserting that it would put ‘direct cash in the pockets of exporters’ soon.
RoDTEP Scheme
- RoDTEP is a scheme for Exporters to make Indian products cost-competitive and create a level playing field for them in the Global Market.
- It has been kicked in from January 2021, replacing the earlier Merchandise and Services Export Incentive Schemes (MEIS and SEIS) that were in violation of WTO norms.
- The new RoDTEP Scheme is a fully WTO compliant scheme.
- It will reimburse all the taxes/duties/levies being charged at the Central/State/Local level which are not currently refunded under any of the existing schemes but are incurred at the manufacturing and distribution process.
Answer this PYQ:
Q.With reference to the international trade of India at present, which of the following statements is/are correct?
- India’s merchandise exports are less than its merchandise imports.
- India’s imports of iron and steel, chemicals, fertilizers and machinery have decreased in recent years.
- India’s exports of services ye more than its imports of services.
- India suffers from an overall trade/current account deficit.
Select the correct answer using the code given below:
(a) 1 and 2 only
(b) 2 and 4 only
(c) 3 only
(d) 1, 3 and 4 only
Post your answers here (You need to sign-in for that).
Why need such a scheme?
- The scheme was announced last year as a replacement for the Merchandise Export from India Scheme (MEIS), which was not found not to be compliant with the rules of the World Trade Organisation.
- Following a complaint by the US, a dispute settlement panel had ruled against India’s use of MEIS as it had found the duty credit scrips awarded under the scheme to be inconsistent with WTO norms.
Coverage of the scheme
- It covers about 75% of traded items and 65% of India’s exports.
- To enable zero-rating of exports by ensuring domestic taxes are not exported, all taxes, including those levied by States and even Gram Panchayats, will be refunded under the scheme.
- Steel, pharma, and chemicals have not been included under the scheme because their exports have done well without incentives.
Back2Basics: Merchandise Exports from India Scheme (MEIS)
- MEIS was launched with an objective to enhance the export of notified goods manufactured in a country.
- This scheme came into effect on 1 April 2015 through the Foreign Trade Policy and was in existence till 2020.
- It intended to incentivize exports of goods manufactured in India or produced in India.
- The incentives were for goods widely exported from India, industries producing or manufacturing such goods with a view to making Indian exports competitive.
- The MEIS covered almost 5000 goods notified for the purpose of the scheme.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Maharaja Ranjit Singh
Mains level: Not Much
A bronze statue of the first ruler of the Sikh Empire, Maharaja Ranjit Singh, was vandalized in Pakistan.
Who was Maharaja Ranjit Singh?
- Maharaja Ranjit Singh (13 November 1780 – 27 June 1839), popularly known as Sher-e-Punjab or “Lion of Punjab”, was the first Maharaja of the Sikh Empire.
- He survived smallpox in infancy but lost sight in his left eye.
- Prior to his rise, the Punjab region had numerous warring misls (confederacies), twelve of which were under Sikh rulers and one Muslim.
- Ranjit Singh successfully absorbed and united the Sikh misls and took over other local kingdoms to create the Sikh Empire.
- He repeatedly defeated invasions by outside armies, particularly those arriving from Afghanistan, and established friendly relations with the British.
Empirical expansion
- Ranjit Singh’s trans-regional empire spread over several states. His empire included the former Mughal provinces of Lahore and Multan besides part of Kabul and the entire Peshawar.
- The boundaries of his state went up to Ladakh — Zorawar Singh, a general from Jammu, had conquered Ladakh in Ranjit Singh’s name — in the northeast.
- His empire extended till Khyber pass in the northwest, and up to Panjnad in the south where the five rivers of Punjab fell into the Indus.
- During his regime, Punjab was a land of six rivers, the sixth being the Indus.
His legacy
- Ranjit Singh’s reign introduced reforms, modernization, investment into infrastructure, and general prosperity.
- His Khalsa army and government included Sikhs, Hindus, Muslims, and Europeans.
- His legacy includes a period of Sikh cultural and artistic renaissance, including the rebuilding of the Harmandir Sahib in Amritsar, Takht Sri Patna Sahib, Bihar, and Hazur Sahib Nanded, Maharashtra under his sponsorship.
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Note4Students
From UPSC perspective, the following things are important :
Prelims level: Positive Pay System
Mains level: Not Much
Banks have been informing customers about making mandatory, the positive pay system, a process of reconfirming the key details of high-value cheques.
What is the Positive Pay System?
- The Positive Pay System, developed by the National Payments Corporation of India, is a process of reconfirming the key details of large value cheques.
- Under this system, a person issuing the high-value cheque submits certain essential details of that cheque like date, name of the beneficiary/payee amount etc. to the drawee bank.
- The details can be submitted through electronic means such as SMS, mobile app, internet banking, ATM etc.
- The details are cross-checked while issuing the cheque and any discrepancy is flagged.
Try answering this PYQ:
Q.Which one of the following links all the ATMs in India? (CSP 2018)
(a) Indian Banks’ Association
(b) National Securities Depository Limited
(c) National Payments Corporation of India
(d) Reserve Bank of India
(Note: You need to sign-in to answer this PYQ)
Post your answers here.
What is the limit on the amount for the system?
- RBI has told banks to enable the facility for all account holders issuing cheques for amounts of ₹50,000 and above.
- It has also been said that while availing of the facility is at the discretion of the account holder, banks may consider making it mandatory in case of cheque values of ₹5 lakh and above.
Why is this system important for customers?
- Some banks have been telling customers that if the details of large-value cheques are not pre-registered, the cheque will be returned.
- On issuance of a high-value cheque, customers should ensure that details are provided within the timeframe prescribed by the banks for hassle-free clearance.
- RBI has said only cheques that are registered in the Positive Pay System will be accepted under the dispute resolution mechanism.
- Customers would get an SMS on whether the cheque is accepted or rejected for any reason.
What are the details of the cheque that must be submitted?
- Account number, cheque number, date of the cheque, amount, transaction code, beneficiary name, MICR CODE.
How can these details be submitted?
- These details can be submitted through the respective bank’s website, internet banking, or mobile banking.
- In case a customer does not use electronic banking services, they can submit the details by visiting bank branches.
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