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Type: Prelims Only

  • Labelling of AI-Generated Content on Social Media

    Why in the News?

    The Ministry of Electronics and Information Technology proposed mandatory labelling of Artificial Intelligence–generated synthetic content on social media to curb deepfakes, under draft amendments to the Information Technology (Intermediary Guidelines and Digital Media Ethics Code) Rules, 2021.

    2025 Draft Amendment on AI Content:

    • AI Regulation: Introduced by MeitY to address synthetic and AI-generated media such as deepfakes.
    • Mandatory Disclosure: Users must self-declare AI-generated content; platforms must detect and label undeclared synthetic material.
    • Labelling Standards: Labels to cover 10% of image/video area or duration (audio); applies to text, audio, and video formats.
    • Platform Obligations: Ensure metadata embedding and automated verification of user declarations.
    • Legal Liability: Non-compliance leads to loss of “safe harbour” protection under Section 79(1), making intermediaries liable for hosted content.
    • Public Consultation: Comments open till 6 November 2025.

    Back2Basics: IT Rules, 2021:

    • Legal Basis: Framed under Sections 87(2)(z) and 87(2)(zg) of the Information Technology Act, 2000 to regulate social media, digital news, and OTT platforms.
    • Objective: To ensure accountability, transparency, and user protection in India’s digital ecosystem while balancing free speech with responsible governance.
    • Evolution: Replaced the IT (Intermediary Guidelines) Rules, 2011, expanding obligations for intermediaries like Facebook, X (Twitter), YouTube, and Instagram.
    • Scope: Applies to social media intermediaries, messaging services, digital news publishers, and OTT streaming platforms.
    • Compliance Framework: Platforms must appoint Chief Compliance Officer (CCO), Nodal Contact Person, and Resident Grievance Officer (RGO),  all based in India.
    • Traceability Clause (Rule 4(2)): Mandates messaging services to identify the “first originator” of unlawful content, raising privacy and surveillance concerns.

    Regulation of Social Media Content in India:

    • Legislative Basis: Governed by the IT Act, 2000, notably Section 69A (blocking powers) and Section 79(1) (safe harbour for intermediaries).
    • Obligations: Intermediaries must remove unlawful content within 36 hours of a government or court order.
    • 2023 Amendment: Proposed removal of false content about the government; implementation stayed by Supreme Court.
    • Judicial Context:
      • Shreya Singhal (2015): Struck down Section 66A, upholding free speech.
      • K.S. Puttaswamy (2017):  Recognised privacy as a fundamental right influencing digital governance.

  • Kerala to be declared first State ‘Free of Extreme Poverty’

    Why in the News?

    Kerala will be officially declared free from extreme poverty on November 1st, marking a national first in poverty eradication.

    To assess this, Kerala relied on NITI Aayog’s assessment of Kerala using its Multidimensional Poverty Index (MPI).

    What is Extreme Poverty?

    • Overview: According to the World Bank, extreme poverty is defined as living on less than $2.15 per day (2017 Purchasing Power Parity), representing absolute deprivation.
    • Revised Thresholds: In 2025, the World Bank updated the extreme poverty benchmark to $3/day (PPP 2021) for low-income countries, reflecting inflation and rising living costs.
    • Measurement Basis: It uses Purchasing Power Parity (PPP) to compare cost of living across countries and Household Consumption Expenditure Survey (HCES) data as a proxy for income.
    • Nature: Extreme poverty signifies absolute poverty, unlike relative poverty, which measures inequality within societies.
    • Indicators: It encompasses lack of access to essentials such as food security, safe housing, healthcare, education, clean water, and sanitation.

    Extreme Poverty in India:

    • Overview: India has achieved major success in reducing extreme poverty through inclusive growth and welfare-based redistribution over the past decade.
    • Global Benchmark: As per the World Bank (2025), India’s extreme poverty rate declined from 27.1% (2011–12) to 5.3% (2022–23), among the fastest reductions globally.
    • Population Impact: Nearly 270 million people were lifted out of extreme poverty; those living below the $3/day threshold fell from 344 million to 75 million.
    • Rural Transformation: The decline was steeper in rural India, supported by flagship programmes like MGNREGA, PM Awas Yojana, National Food Security Act (NFSA), and Ayushman Bharat.
    • Social Protection Role: Expansion of direct benefit transfers (DBT), PDS coverage, and rural employment improved income security and consumption stability.

    What has Kerala achieved?

    • Milestone: Kerala has been officially declared free from extreme poverty as of November 1, 2025, becoming the first Indian state to achieve this feat.
    • Programme Launch: The Extreme Poverty Eradication Programme began in 2021, following one of the first Cabinet decisions of the Left Democratic Front (LDF) government.
    • Scale: Out of 64,006 families identified as extremely poor, 59,277 families have been uplifted after targeted interventions across housing, health, and livelihoods.
    • Interventions:
      • Houses built for 3,913 families and land allotted to 1,338 families.
      • Repairs up to ₹2 lakh provided for 5,651 homes.
      • Essential documents like ration and Aadhaar cards issued to 21,263 individuals.
    • Methodology: Each family was covered through a micro plan, integrating state welfare schemes and social audits with geo-tagged verification.
    • Outcome: Kerala now has 0% extreme poverty, aligning with UN Sustainable Development Goal (SDG 1) to eradicate poverty by 2030.
    • Significance: The achievement demonstrates Kerala’s model of inclusive governance, where local bodies, irrespective of political control, collaborated to ensure last-mile welfare delivery.
    [UPSC 2012] The Multi-dimensional Poverty Index developed by Oxford Poverty and Human Development Initiative with UNDP support covers which of the following?
    1. Deprivation of education, health, assets and services at household level
    2. Purchasing power parity at national level
    3. Extent of budget deficit and GDP growth rate at national level
    Select the correct answer using the codes given below:
    (a) 1 only *
    (b) 2 and 3 only
    (c) 1 and 3 only
    (d) 1, 2 and 3

     

  • Great Green Wall of Andhra Pradesh

    Why in the News?

    Andhra Pradesh launched the Great Green Wall project, inspired by Africa’s Great Green Wall, to turn its 1,034 km Bay of Bengal coast into a bio-shield against cyclones and sea-level rise.

    About Great Green Wall of Andhra Pradesh:

    • Overview: Launched as a flagship coastal afforestation and climate resilience project; Forms part of the state’s Coastal Green Mission, aligning with SDG 13 (Climate Action) and India’s National Coastal Mission.
    • Objective: To protect Andhra Pradesh’s 1,034 km Bay of Bengal coastline from cyclones, tsunamis, and sea-level rise.
    • Inspired by: Africa’s Great Green Wall, adapted for India’s eastern coastal ecosystems.
    • Target: Enhance Andhra Pradesh’s green cover from 30% (2025) to 37% by 2029 and 50% by 2047 through sustained plantation and protection efforts.

    Key Features:

    • Geographical Coverage: Extends from Tirupati to Srikakulam, spanning the full 1,034 km coastline.
    • Width: Green belt stretches up to 5 km inland, with a variable width of 50–200 metres.
    • Core Species: Plantation includes mangroves, casuarina, palmyra, bamboo, and other shelterbelt trees.
    • Launch Site: Officially inaugurated at Surya Lanka Beach (Bapatla district) on 11 September 2025.
    • Community Role: Involves Self-Help Groups, eco-clubs, MGNREGS workers, fishermen, and local coastal communities.
    • Integration: Develops green buffers around ports, SEZs, industrial corridors, and aquaculture ponds.
    • Funding: Supported by CAMPA, MISHTI, Green Credit Programme, MGNREGS, CSR funds, and District Mineral Funds.

  • Scientists use ‘Atomic Stencils’ to make designer Nanoparticles

    Why in the News?

    Scientists from the United States and South Korea have developed a novel “atomic stencilling” method to coat gold nanoparticles with polymer patches, enabling unprecedented nanoscale precision in material design.

    What is Atomic Stencilling?

    • Overview: A novel nanofabrication technique where iodide atoms act as nanoscale masks (stencils) on gold nanoparticle surfaces, allowing scientists to “paint” polymer patches with atomic-level precision.
    • Mechanism: These polymer-coated patches create distinct functional zones on each nanoparticle, enabling controlled self-assembly into complex 3D nanostructures.
    • Innovation Context: Represents a breakthrough in atomic-scale material patterning, advancing nanotechnology toward programmable matter and precision material design.

    Advantages Offered:

    • Atomic Precision: Achieves atomic-scale patterning, precisely controlling patch size, geometry, and placement.
    • High Uniformity: Generates identical nanoparticles for consistent, predictable self-assembly behaviour.
    • Scalability: Allows large-scale synthesis of patchy nanoparticles with simplified processing.
    • Material Versatility: Compatible with multiple materials — gold, silver, silica — and adaptable to various polymer coatings.
    • Enhanced Self-Assembly: Promotes spontaneous formation of ordered 3D superlattices and metamaterials.
    • Functional Tunability: Enables customisation of surface chemistry, optical, and electronic properties.

    Key Applications:

    • Targeted Drug Delivery: Functional patches enable selective binding and controlled release to specific biological targets.
    • Catalysis: Distinct surface domains improve reactivity and catalytic precision.
    • Optoelectronics & Photonics: Supports creation of plasmonic and light-responsive metamaterials.
    • Energy Systems: Enhances charge transfer and stability in batteries and solar cells.
    • Smart Materials: Forms basis for programmable, self-assembling nanostructures with adaptive functions.
    [UPSC 2022] Consider the following statements:
    1. Other than those made by humans, nanoparticles do not exist in nature.
    2. Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics.
    3. Nanoparticles of some commercial products which enter the environment are unsafe for humans.
    Which of the statements given above is/are correct?
    Options: (a) 1 only (b) 3 only (c) 1 and 2 (d) 2 and 3 *

     

  • What is Rangarajan Poverty Line?

    Why in the News?

    After the C. Rangarajan Committee (2014) set India’s last official poverty line, economists from the Reserve Bank of India (RBI) have now revisited and updated the estimates using new household consumption data from Household Consumption Expenditure Survey (HCES) 2022–23.

    Evolution of Poverty Measurement in India:

    1. Planning Commission (1962): ₹20 (rural) and ₹25 (urban) per month; excluded health and education.
    2. Dandekar & Rath Committee (1971): Calorie-based standard (2250 kcal/day).
    3. Y. K. Alagh Committee (1979): Calorie-linked poverty line (2400 kcal rural; 2100 kcal urban).
    4. Lakdawala Committee (1993): Introduced state-specific and composite consumption baskets.
    5. Tendulkar Committee (2009): Uniform basket for rural/urban; ₹816 rural and ₹1000 urban (2011–12); shifted from calorie to expenditure-based poverty.

    About C. Rangarajan Committee on Poverty Estimation:

    • Objective: To evolve a broader and realistic poverty metric incorporating food, health, education, clothing, and shelter costs, beyond calorie-based norms.
    • Overview: Formed by the Planning Commission in 2012, chaired by Dr. C. Rangarajan, former RBI Governor, to review India’s poverty measurement methodology.
    • Report Submission: Submitted in June 2014; became a major benchmark in the debate on India’s official poverty line and methodological framework.
    • Definition of Poverty: Based on Monthly Per Capita Expenditure (MPCE) ₹972 (rural) and ₹1,407 (urban) at 2011–12 prices, equating to ₹32/day (rural) and ₹47/day (urban).
    • Data & Methodology: Used Modified Mixed Reference Period (MMRP) consumption data with separate rural–urban baskets, adjusting for state-wise price differentials.
    • Poverty Estimate (2011–12): Found 29.5% of India’s population below the poverty line.
    • Key Revision over Tendulkar: Expanded consumption basket to include education, healthcare, rent, transport, and other essentials; replaced calorie-based with expenditure-based cost-of-living approach.

    RBI 2025 Update (DEPR Study):

    • Source & Method: Conducted by RBI’s Department of Economic & Policy Research (DEPR) using HCES 2022–23 data for 20 states; retained Rangarajan framework.
    • New Price Index: Created a Poverty Line Basket (PLB) index instead of CPI reflecting actual consumption inflation more accurately.
    • PLB Composition: Rural PLB had 57% food share (vs 54% in CPI); Urban PLB had 47% (vs 36% in CPI).
    • Key Findings:
      • Rural Odisha poverty fell from 47.8% → 8.6%; Urban Bihar from 50.8% → 9.1%.
      • Lowest Poverty: Himachal Pradesh (0.4% rural), Tamil Nadu (1.9% urban).
      • Highest Poverty: Chhattisgarh (25.1% rural; 13.3% urban).
    • Significance: Confirms broad-based poverty decline yet highlights regional disparities; renews calls for a new official poverty line reflecting modern consumption trends.
    [UPSC 2019] In a given year in India, official poverty lines are higher in some States than in others because
    Options: (a) poverty rates vary from State to State
    (b) price levels vary from State to State *
    (c) Gross State Product varies from State to State
    (d) quality of public distribution varies from State to State

     

  • What are Transient Lunar Phenomena (TLP)?

    Why in the News?

    For centuries, astronomers and observers have recorded strange, short-lived visual events on the Moon’s surface, known as Transient Lunar Phenomena (TLPs).

    Transient Lunar Phenomena (TLPs)

    About Transient Lunar Phenomena (TLPs):

    • What is it: Short-lived flashes, glows, or hazy patches observed on the Moon’s surface, lasting seconds to several hours before fading.
    • Observation History: Reported for over a thousand years, including Apollo 11 astronauts (1969) who noted a luminous lunar glow.
    • Appearance Types: Include reddish glows, star-like flashes, and mist-like obscurations.
    • Active Regions: Concentrated around Aristarchus and Plato craters, considered the most dynamic lunar zones.
    • Scientific Implication: Suggests that the Moon remains geologically active, contradicting earlier assumptions of total dormancy.
    • Theories on Origin: Scientists propose several explanations for TLPs:
      1. Lunar Outgassing: Trapped gases such as radon or argon may escape through fissures, triggered by gravitational stresses or surface heating, causing dust or gas to glow or reflect sunlight.
      2. Meteoroid Impacts: Frequent meteoroid collisions on the Moon’s airless surface produce brief, intense flashes, accounting for many observed TLPs.
      3. Electrostatic Dust Levitation: Charged lunar dust particles, activated by solar radiation, may levitate and scatter light, producing transient luminous effects.
      4. Atmospheric Distortion on Earth: Some TLPs may be optical artifacts, caused by turbulence or refraction in Earth’s atmosphere altering the Moon’s apparent brightness or colour.

    Recent Research and Monitoring:

    • Observation Technology: Use of automated telescopes and CCD (charge-coupled device) imaging systems for real-time detection.
    • Space Missions: NASA’s Lunar Reconnaissance Orbiter (LRO) and ISRO’s Chandrayaan series monitor gas release and new impact craters.
    • Spectroscopic Evidence: Studies of Aristarchus Plateau show episodic radon emissions, supporting the outgassing theory.
    • Integrated Monitoring: Global programs combine optical, seismic, and spectrometric data to validate events.
    • Scientific Aim: To understand lunar surface dynamics, internal processes, and signs of ongoing geological activity.

  • IMO’s 2023 Greenhouse Gas (GHG) Strategy

    Why in the News?

    The International Maritime Organisation (IMO) delayed a vote on its 2027 carbon pricing plan under the 2023 Greenhouse Gas (GHG) Strategy after U.S. pressure, stalling efforts for net-zero shipping by 2050.

    What the IMO is trying to achieve?

    • Decarbonisation Goal: Targets net-zero emissions in global shipping by 2050, aligning with the Paris Agreement’s 1.5 °C limit; shipping contributes 2–3 % of global CO₂.
    • Carbon Intensity Reduction: Implements fuel-efficiency standards and CIIs to cut CO₂ per tonne-mile of cargo transported.
    • Fuel Transition: Promotes shift from heavy fuel oil to green ammonia, methanol, hydrogen, and biofuels, supported by a global carbon pricing framework.
    • Equitable Transition: Upholds common but differentiated responsibilities, offering financial and technological aid to developing and island nations.
    • Market-Based Mechanisms: Developing carbon-pricing and fuel-levy systems to internalise environmental costs and fund innovation.
    • Regulatory Uniformity: Seeks to avoid fragmented regional rules (e.g., EU ETS) by maintaining global maritime emission standards.

    About IMO’s 2023 Greenhouse Gas (GHG) Strategy:

    • Adoption: Finalised in July 2023 at Marine Environment Protection Committee (MEPC-80) (London) under the MARPOL Annex VI framework.
    • Carbon Intensity Targets: Cut 40 % by 2030 (vs 2008) and strive for 70 % by 2040.
    • Net-Zero Timeline: Achieve full sectoral decarbonisation by 2050.
    • Zero/Low-Emission Fuels: Ensure 5 % (aspire 10 %) of shipping energy from near-zero-GHG fuels by 2030; expand hydrogen and electrified propulsion.
    • Fuel & Emission Standards: Introduce Global Fuel Standard (GFS) and Global Pricing Mechanism (GPM) by 2027, covering ships above 5,000 GT (~85 % of emissions).
    • MRV Framework: Strengthen monitoring, reporting, and verification with emission databases and compliance audits.
    • Support Mechanisms: Establish GHG Fund to assist developing states in retrofits, technology adoption, and port upgrades.

    Significance: 

    • Global Climate Milestone: First binding, worldwide roadmap for a high-emission transport sector outside aviation.
    • Regulatory Shift: Moves from voluntary action to enforceable standards in maritime law.
    • Strategic Impact: Positions the IMO as a key climate-governance body, linking trade regulation and environmental responsibility.
    [UPSC 2024] According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions?

    Options: (a) Locomotives using fossil fuels

    (b) Ships using fossil fuels

    (c) Extraction of metals from ores

    (d) Power plants using fossil fuels*

     

  • Arsenic Toxicity in Rice Cultivation

    Why in the News?

    A recent study has revealed that the composition of microbial communities in rice paddies critically determines the buildup of arsenic compounds in rice grains.

    Arsenic Toxicity in Agriculture:

    • Overview: Arsenic (As) is a potent carcinogen and phytotoxin, bioaccumulating in rice and posing severe health and agronomic risks in Asian paddies.
    • Mechanism in Flooded Fields: Under anaerobic conditions, microbes convert arsenic into soluble, bioavailable forms that rice roots readily absorb.
    • Toxic Compounds: Organic forms like dimethylarsinic acid (DMA) and dimethylated monothioarsenate (DMMTA) cause straighthead disease, producing sterile, erect panicles and yield losses up to 70 %.
    • Speciation vs. Concentration: Toxicity depends on arsenic speciation, not total soil As levels, even low-As soils may cause poisoning.
    • Geographic Hotspots: Severe in West Bengal, Bihar, and Bangladesh, where arsenic-laden groundwater is used for irrigation.

    About Soil Age and Microbial Composition:

    • Research Insight: Study by Peng Wang (Nanjing Agricultural University) shows soil age dictates microbial dominance and arsenic behaviour.
    • Young Soils (< 700 yrs): Dominated by arsenic-methylating bacteria that convert inorganic As into toxic organic forms (DMA, DMMTA).
    • Old Soils (> 700 yrs): Rich in demethylating archaea that detoxify As by breaking down methylated compounds.
    • Global Microbiome Survey: Across 801 paddy soils, identified 11 methylators and 6 demethylators as key toxicity predictors.
    • Risk Threshold: When methylator: demethylator ratio > 1.5, probability of straighthead disease rises sharply.

    How does Microbial balance govern Arsenic toxicity?

    • Biological Equilibrium: Arsenic toxicity depends on balance between methylating bacteria (risk) and demethylating archaea (detoxification).
    • Environmental Triggers: Flood duration, oxygen, temperature, and hydrological shifts can tilt this balance toward higher toxicity.
    • Mitigation Measures: Mid-season drainage, silicon fertilisation, and microbial community management restore redox balance and reduce As uptake.
    [UPSC 2013] Which of the following can be found as pollutants in the drinking water in some parts of India?

    1. Arsenic 2. Sorbitol 3. Fluoride 4. Formaldehyde 5. Uranium

    Select the correct answer using the codes given below.

    Options: (a) 1 and 3 only (b) 2, 4 and 5 only (c) 1, 3 and 5 only* (d) 1, 2, 3, 4 and 5

     

  • What are Green Crackers?

    Why in the News?

    The Supreme Court of India has temporarily permitted the sale and bursting of green crackers in the Delhi–NCR region from October 18 to 21 for Diwali celebrations.

    Background and Judicial Origin:

    • Trigger: Severe air pollution episodes during Diwali (2016–2017) pushed Delhi’s Air Quality Index (AQI) beyond 500, creating a public-health emergency.
    • Supreme Court Intervention (2018):
      • Affirmed that cultural freedom cannot override the Fundamental Right to Life (Article 21).
      • Banned conventional firecrackers containing heavy metals such as barium, lead, and mercury.
      • Directed CSIR to develop less-polluting alternatives, with PESO (Petroleum and Explosives Safety Organisation) tasked to test and certify them.
    • Outcome: Introduction of green crackers as a compromise solution balancing festive traditions with public-health protection.
    • Legal Oversight: The Supreme Court continues to monitor compliance, permitting use only within fixed time windows and under strict emission-control standards.

    About Green Crackers:

    • Overview: Green crackers are eco-friendly fireworks developed by the Council of Scientific and Industrial Research – National Environmental Engineering Research Institute (CSIR-NEERI) to curb air pollution during festive celebrations.
    • Chemical Composition: Manufactured using modified formulations that exclude barium nitrate and significantly reduce sulphur and aluminium content, thereby cutting toxic emissions.
    • Emission Reduction: These crackers emit about 30 % less particulate matter (PM₂.₅ and PM₁₀) and 10 % less sulphur dioxide (SO₂) and nitrogen oxides (NO₂) than conventional firecrackers.
    • Identification & Legality: Each authorised packet carries the Green Fireworks logo and a QR code verifiable through the CSIR-NEERI Green QR Code App; crackers without codes are illegal.
    • Purpose: Designed to retain the cultural and festive appeal of fireworks while mitigating health and environmental impacts in pollution-prone regions such as Delhi-NCR.

    Types of Green Crackers:

    1. SWAS (Safe Water Releasable): Releases water vapour during combustion to reduce dust and temperature, lowering particulate emissions.
    2. STAR (Safe Thermite Cracker): Uses thermite-based reactions instead of conventional oxidisers, producing bright light and sound with reduced toxic output.
    3. SAFAL (Safe Minimal Aluminium): Limits metallic fuel content, maintaining luminosity and sound intensity while reducing aluminium and sulphur emissions.

    All three maintain sound levels around 100–120 dB, comparable to traditional fireworks but with a cleaner emission profile and shorter atmospheric residence time.

    [UPSC 2024] What is the common characteristic of the chemical substances generally known as CL-20, HMX and LLM-105, which are sometimes talked about in media?

    (a) These are alternatives to hydro- fluorocarbon refrigerants

    (b) These are explosives in military weapons *

    (c) These are high-energy fuels for cruise missiles

    (d) These are propulsion fuels for rocket

     

  • Tejas Light Combat Aircraft (LCA)-Mk1A

    Why in the News?

    Defence Minister inaugurated the third production line of Tejas Light Combat Aircraft (LCA) Mk1A at Hindustan Aeronautics Limited (HAL), Nashik.

    About Tejas Light Combat Aircraft (LCA)-Mk1A:

    • Overview: Single-engine, 4.5-generation, supersonic multirole fighter aircraft developed indigenously under India’s LCA programme.
    • Developers: Designed by the Aeronautical Development Agency (ADA) of DRDO and produced by Hindustan Aeronautics Limited (HAL).
    • Purpose: Conceived in the late 1980s to replace the ageing MiG-21 and Su-7 fleets of the Indian Air Force.
    • Operational Induction: Entered production for the Indian Air Force (IAF) in 2024 after extensive flight trials and certification.
    • Roles: Designed for air superiority, ground attack, close air support, and interception missions.
    • Manufacturing Hubs: Produced at HAL Bengaluru and HAL Nashik, with parallel assembly lines to meet IAF delivery targets.

    Key Features of Tejas LCA-Mk1A:

    • Design: Tailless compound delta-wing configuration ensuring high agility, aerodynamic efficiency, and reduced radar cross-section.
    • Engine: Powered by General Electric F404-GE-IN20 turbofan, enabling speeds up to Mach 1.8.
    • Avionics: Equipped with Active Electronically Scanned Array (AESA) radar, Electronic Warfare Suite, and Onboard Oxygen Generation System (OBOGS).
    • Flight Control: Features Digital Fly-by-Wire System for enhanced stability and pilot control.
    • Weapons Integration: Can carry air-to-air, air-to-ground, and precision-guided munitions, including Beyond Visual Range (BVR) missiles.
    • Cockpit: Modern glass cockpit with Helmet Mounted Display (HMD) and Hands-On-Throttle-And-Stick (HOTAS) controls.
    • Payload & Range: Payload capacity over 4,000 kg across eight external hardpoints; combat radius around 500 km, ferry range up to 1,700 km.
    • Network Capability: Integrated with secure data link systems for real-time communication and situational awareness.
    • Maintenance: Modular design allowing easy servicing, high turnaround rate, and improved mission readiness for sustained operations.
    [UPSC 2024] Consider the following aircraft:
    1. Rafael 2. MiG-29 3. Tejas MK-1
    How many of the above are considered fifth-generation fighter aircraft?
    Options: (a) Only one (b) Only two (c) All three (d) None*