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  • Wildlife Conservation Efforts

    The making of an ecological disaster in the Nicobar

    Explained | Enviro & Biodiversity | Mains Paper 3: Conservation, Environmental Pollution & Degradation, Eia

    Introduction

    The Great Nicobar Island Project, with an estimated expenditure of ₹72,000 crore, has sparked unprecedented controversy. Instead of strengthening India’s ecological security and inclusive growth, the project threatens to uproot indigenous communities such as the Nicobarese and the Shompen, destroy one of the world’s richest biodiversity hotspots, and expose the island to severe natural disaster risks. By bypassing constitutional bodies, statutory protections, and scientific warnings, the project raises fundamental questions about governance, justice, and sustainability in India’s developmental trajectory.

    Uprooting Tribal Communities

    1. Nicobarese displacement: The project site overlaps with ancestral villages of the Nicobarese, already displaced once by the 2004 tsunami. Their hope of return will now be permanently extinguished.
    2. Shompen threat: The Shompen, classified as a Particularly Vulnerable Tribal Group (PVTG), face cultural and ecological extinction as their reserve land is denotified and forests destroyed.
    3. Violation of tribal safeguards: Article 338A mandates consultation with the National Commission for Scheduled Tribes, which was bypassed. The Tribal Council’s objections were ignored after being “rushed” into signing a no-objection letter, later revoked.

    Mockery of Legal and Regulatory Safeguards

    1. Social Impact Assessment failure: The 2013 Act on Land Acquisition and Rehabilitation excluded Nicobarese and Shompen from consideration, denying them stakeholder status.
    2. Forest Rights Act ignored: The Shompen’s authority to regulate and protect forests was bypassed.
    3. Constitutional neglect: Bodies like NCST and local tribal councils were side-lined, undermining democratic accountability.

    The Farce of Compensatory Afforestation

    1. Massive tree felling: The Ministry projects 8.5 lakh trees may be cut, but independent estimates put the figure between 32–58 lakh.
    2. Afforestation mismatch: Compensatory afforestation is planned in Haryana, thousands of kilometres away, with a completely different ecology.
    3. Mining contradiction: A quarter of this afforestation land has been auctioned for mining, nullifying the mitigation strategy.
    4. CRZ violation: Port site falls under CRZ 1A, which prohibits construction due to turtle nesting sites and coral reefs.

    Ecological and Wildlife Concerns

    1. Nicobar long-tailed macaque: Primatologists’ warnings on its survival risks were ignored.
    2. Sea turtle nesting mis-assessed: Surveys were conducted off-season, compromising accuracy.
    3. Dugong impact underestimated: Drone-based surveys only covered shallow waters.
    4. Biased assessments: Reports were allegedly conducted under duress, undermining credibility.

    A Disaster-Prone Location

    1. Tsunami precedent: In 2004, the island subsided by 15 feet.
    2. Seismic zone risk: A 6.2 magnitude earthquake in July 2025 reinforced its vulnerability.
    3. Jeopardising investment: Infrastructure and lives face catastrophic risk from earthquakes and tsunamis.

    Conclusion

    The Great Nicobar Project symbolizes an ecological and humanitarian misadventure where short-term ambitions eclipse constitutional morality, environmental prudence, and tribal justice. The survival of the Nicobarese and Shompen, along with an irreplaceable ecosystem, hangs in the balance. True development must integrate ecological sustainability and social justice rather than sacrifice them at the altar of misplaced mega-infrastructure.

    Value Addition

    Way Forward

    • Inclusive Development with Tribal Consent
      • Ensure free, prior, and informed consent of Nicobarese and Shompen communities in line with the Niyamgiri judgment (2013).
      • Empower tribal councils in decision-making as mandated by the Forest Rights Act (2006).
    • Strengthening Legal and Institutional Safeguards
      • Consult the National Commission for Scheduled Tribes (NCST) and respect constitutional provisions under Article 338A.
      • Strengthen Social Impact Assessments with participation of affected communities.
    • Rethinking Compensatory Afforestation
      • Undertake afforestation within island ecosystems, not in distant states like Haryana.
      • Promote ecosystem restoration rather than mere plantation drives.
    • Ecologically Sensitive Area Protection
      • Enforce CRZ 1A norms protecting turtle nesting sites, coral reefs, and coastal biodiversity.
      • Recognise Great Nicobar as an Ecologically Sensitive Zone (ESZ) under Environment Protection Act.
    • Disaster-Resilient Planning
      • Recognise that Great Nicobar lies in Seismic Zone V and redesign infrastructure accordingly.
      • Adopt a low-impact development model suited for fragile ecosystems (eco-tourism, research hubs, small-scale renewable energy).
    • Alternative Growth Models
      • Focus on sustainable livelihoods for locals (fisheries, forest produce, heritage tourism).
      • Leverage the island’s location for strategic security through minimal-impact naval installations, avoiding large-scale civilian displacement.

    PYQ Relevance

    [UPSC 2017] ‘Climate Change’ is a global problem. How India will be affected by climate change? How Himalayan and coastal states of India will be affected by climate change?

    Linkage: The Great Nicobar Project directly links to this PYQ as it illustrates how climate change impacts combine with ill-planned development to heighten risks. Rising sea levels and intensifying cyclones threaten India’s coastal states, while Great Nicobar, lying in a seismically active and tsunami-prone zone, showcases the compounded vulnerability of fragile ecosystems and communities. Thus, it exemplifies how coastal regions face existential risks when climate change interacts with unsustainable projects.

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  • Primary and Secondary Education – RTE, Education Policy, SEQI, RMSA, Committee Reports, etc.

    How much is spent on children’s education in India

    Explained | Indian Society | Mains Paper 2: Health & Education

    Introduction

    India has long struggled with gender inequities in education. Despite government efforts like Beti Bachao, Beti Padhao and steady progress in enrolment, where girls now form 48% of the school population and even surpass men in gross enrolment ratios in higher education, financial investment by families continues to tilt in favor of boys. The 80th round of the National Sample Survey (Comprehensive Modular Survey on Education) reveals that boys consistently receive higher expenditure allocations across school stages and states, highlighting deep-rooted social biases in household decision-making.

    Significance of the recent NSS report

    1. New evidence: The 2024 survey covered 52,085 households and data for 57,742 students, making it one of the most comprehensive datasets on education expenditure.
    2. Contradiction with enrolment success: Despite progress in closing gender enrolment gaps, the spending patterns show that financial priorities still favor boys.
    3. Striking gap: In urban India, families spend ₹2,791 less per girl compared to boys, while in rural India, boys get 18% more spent on them.
    4. Long-term concern: Such expenditure biases translate into inequities in learning outcomes, employability, and overall empowerment.

    Gender patterns in household spending on education

    1. All stages of schooling: Per-student expenditure on girls is consistently lower than boys from pre-primary to higher secondary.
    2. Rural-urban divide: Rural families spend ₹1,373 more on boys; urban families spend 30% more on boys by higher secondary level.
    3. Course fees: Families pay on average 21.5% more in fees for boys.

    Private vs government schooling:

    1. 58.4% of girls are in government schools.
    2. 34% of boys access private unaided schools compared to 29.5% of girls.
    3. Tuition classes: While enrollment in coaching is similar (26% girls vs 27.8% boys), expenditure differs, by higher secondary, families spend 22% more on tuition for boys.

    State-level variations in educational expenditure

    1. Delhi, MP, Rajasthan, Punjab: More than 10 percentage points gender gap in private school enrolment.
    2. Tamil Nadu and Kerala: Gender parity—boys and girls access government and private schools almost equally.
    3. Northeast States: Reverse trend—more girls enrolled in private schools.
    4. Telangana, Tamil Nadu, West Bengal: Families spend vastly more on boys at higher secondary level.
      • Example: In Tamil Nadu, families spend ₹35,973 on boys vs ₹19,412 on girls.
    5. Kerala, Himachal Pradesh, Andhra Pradesh: More spending on girls at higher secondary, partly due to safety-related transport costs.

    Gender gap in private coaching expenditure

    1. Himachal Pradesh: Families spend ₹9,813 per boy vs ₹1,550 per girl on higher secondary tuition.
    2. Bihar, Jharkhand, Rajasthan, Tamil Nadu: Also show significant tuition expenditure gaps.
    3. Implication: Coaching is seen as a gateway to competitive exams and better career prospects—girls being left out deepens structural disadvantages.

    Broader implications for gender equality

    1. Hidden inequality: Enrolment parity does not mean equity in quality or investment.
    2. Future workforce impact: Lower spending on girls limits their human capital development and perpetuates the gender pay gap.
    3. Policy blind spots: Subsidies and scholarships exist, but social norms continue to undervalue daughters’ education.

    Way Forward

    Bridging the gender gap in educational expenditure requires a multi-pronged approach that addresses not just affordability but also deep-rooted social norms.

    1. Strengthening targeted subsidies: Expansion of schemes like Beti Bachao, Beti Padhao, free bicycles for girls, and conditional cash transfers for secondary and higher education can encourage families to invest equally in daughters.
    2. Equalising access to quality education: Improving the quality of government schools and providing digital learning resources will reduce the need for costly private schooling and tuitions, thereby narrowing gendered disparities.
    3. Awareness and behavioural change: Community-level campaigns must challenge patriarchal mindsets that undervalue girls’ education. Civil society and self-help groups can be leveraged to reshape family-level decision-making.
    4. Transport and safety interventions: Ensuring safe and affordable transport for girls, particularly in higher secondary education, will address a key cost component that discourages investment.
    5. Monitoring and accountability: Data from National Sample Survey and Unified District Information System for Education (UDISE+) should be used to regularly monitor gendered expenditure gaps and inform evidence-based policies.
    6. Integrating ethics and social responsibility: Education policies must go hand in hand with fostering a sense of justice, fairness, and equal opportunity, so that families see daughters as equal bearers of human capital.

    Conclusion

    The NSS findings show that while India has moved forward in closing the gender gap in enrolment, it still struggles with a silent financial discrimination in household educational spending. Unless families start valuing daughters’ education equally, not just in words but also in investment, true gender equality in education will remain elusive. Corrective measures through policy nudges, financial incentives, and awareness campaigns are essential to bridge this invisible divide.

    Value Addition

    Key Concepts

    1. Gender Parity Index (GPI): Ratio of female-to-male values in education indicators; India has achieved near-parity in enrolment but lags in investment equity.
    2. Human Capital Theory: Education as an investment leading to productivity and growth; unequal spending weakens women’s contribution to the economy.
    3. Intersectionality: Gender bias in expenditure intersects with class, caste, and rural-urban divides, amplifying inequalities.

    Data and Reports

    1. National Sample Survey (2024): Reveals consistent gaps in household expenditure on girls’ education across stages and regions.
    2. World Economic Forum Gender Gap Report (2024): India slipped in rankings, with education a major drag despite enrolment progress.
    3. ASER Report (Annual Status of Education Report): Points to quality issues in rural schools, often affecting girls disproportionately.
    4. UNESCO (Global Education Monitoring Report, 2023): Highlights that globally, girls are more likely to be excluded from secondary and higher education due to cost factors.

    Government Policies and Schemes

    1. National Education Policy (NEP) 2020: Emphasises inclusive, equitable education and gender-sensitive curricula.
    2. Beti Bachao, Beti Padhao (2015): Social mobilisation for improving girls’ survival, protection, and education.
    3. National Scheme of Incentives to Girls for Secondary Education (NSIGSE): Financial support to reduce dropouts.
    4. Kasturba Gandhi Balika Vidyalaya (KGBV): Residential schooling for disadvantaged girls in Classes 6–12.

    Comparative International Experience

    1. Bangladesh: Successful in reducing gender disparity through stipend schemes for girls, free textbooks, and subsidies—leading to higher female enrolment in secondary education.
    2. Nordic Countries (Sweden, Norway, Finland): Achieved near-complete gender equity in education by ensuring free schooling, universal childcare, and strong social security systems that reduce household bias.
    3. Rwanda: Introduced Gender-Responsive Budgeting—allocating funds specifically to address gender gaps in education, which India can emulate.

    Quotes (Useful for Essay/Ethics/GS answers)

    1. “If you educate a man you educate an individual, but if you educate a woman you educate a family.” — Charles M. Cooper
    2. “Investment in girls’ education is not charity, it is the smartest investment a country can make.” — UN Secretary-General António Guterres

    PYQ Relevance

    [UPSC 2022] The Right of Children to Free and Compulsory Education Act, 2009 remains inadequate in promoting incentive-based system for children’s education without generating awareness about the importance of schooling. Analyse.

    Linkage: The NSS 80th round shows families spend 18–30% more on boys than girls, privileging them in private schools and coaching despite RTE’s universal access. This proves that incentive-based provisions under the RTE Act remain inadequate without tackling deep-rooted gender norms. Hence, awareness generation, gender-responsive budgeting, and social mobilisation are essential complements to legal entitlements.

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  • Foreign Policy Watch: India-Sri Lanka

    Katchatheevu Island Dispute

    National Parks/WSPrelims Only | International Relations | Mains Paper 2: India & Its Neighborhood – Relations

    Why in the News?

    Sri Lankan President Dissanayake’s visit to Katchatheevu Island, the first ever visit by a head of state, revived debates on the island’s history and ownership.

    Katchatheevu Island Dispute

    About Katchatheevu Island:

    • Overview: Small uninhabited island of about 285 acres in the Palk Strait, ~33 nautical miles from Jaffna (Sri Lanka) and close to Ramanathapuram (Tamil Nadu).
    • History: Once under the Raja of Ramnad (TN), later became disputed during British rule.
    • Agreements: Under 1974 and 1976 pacts, India (under Indira Gandhi govt.) recognised Sri Lanka’s sovereignty and gave up traditional fishing rights.
    • Religious Site: Home to St. Anthony’s Catholic Shrine, visited annually by Indian and Sri Lankan fishermen during a joint festival with visa waiver.
    • Ecology: Though barren and unsettled, serves as a resting point for fishermen and supports marine biodiversity.

    Disputes around Katchatheevu:

    • Fishing Conflicts: Tamil Nadu fishermen often cross into Sri Lankan waters due to declining catch in Indian waters, leading to frequent arrests by the Sri Lankan Navy.
    • Bottom-Trawling Issue: Indian trawlers use bottom-trawling, banned in Sri Lanka, which damages marine ecosystems and escalates tensions.
    • Political Demands: All TN political parties have demanded retrieval of the island.
    • National Politics: Issue often resurfaces during elections, with claims that earlier governments “easily gave away” Katchatheevu.
    • Official Position: India clarified in 2013–14 that no sovereign territory was ceded since the island was disputed, not fully under India’s control.
    • Core Problem: Lies not in sovereignty but in unsustainable bottom-trawling practices and the livelihood crisis faced by Tamil Nadu fishermen.
    [UPSC 2020] Consider the following statements:

    1. The value of Indo-Sri Lanka trade has consistently increased in the last decade.

    2. “Textile and textile articles” constitute an important item of trade between India and Bangladesh.

    3. In the last five years, Nepal has been the largest trading partner of India in South Asia.

    Which of the statements given above is/are correct? (2020)

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

     

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  • Universe, Solar System Discoveries

    ‘Blood Moon’ and Lunar Eclipse

    Prelims Only | Science Tech | Mains Paper 3: Awareness in various sc and tech fields

    Why in the News?

    Viewers across Asia, Australia, and parts of Africa witnessed a Blood Moon on 8th September, a spectacular form of total lunar eclipse visible.

    About Lunar Eclipse:

    • Overview: Happens when Earth comes between Sun and Moon, blocking sunlight from reaching the Moon.
    • Earth’s Shadow:
      • Umbra: Dark central shadow, causes total or partial eclipses.
      • Penumbra: Outer shadow, causes faint dimming.
    • Types:
      1. Total Eclipse: Moon passes fully through umbra.
      2. Partial Eclipse: Only part of Moon enters umbra.
      3. Penumbral Eclipse: Moon passes through penumbra with subtle darkening.
    • Frequency: Occurs 2–4 times per year, visible from different regions.

    Why lunar eclipse don’t occur every month?

    : Lunar eclipses don’t happen every month because the Moon’s orbit around the Earth is tilted by about 5 degrees relative to the Earth’s orbit around the Sun. This tilt, known as orbital inclination, means that during a full Moon, the Moon often passes above or below Earth’s shadow, preventing a perfect alignment required for an eclipse. Eclipses only occur when the alignment is precise, allowing the Sun, Earth, and Moon to line up in a straight line.

    What is Blood Moon?

    • Meaning: Refers to the reddish glow of the Moon during a total lunar eclipse.
    • Cause: Rayleigh scattering in Earth’s atmosphere.
      • Short wavelengths (blue, violet) scatter away.
      • Longer wavelengths (red, orange) bend around Earth and light the Moon.
    • Colour Intensity:
      • Presence of dust, aerosols, volcanic ash deepens the red shade.
      • Cleaner atmosphere produces a lighter red or orange.
    • Historical Insight: Medieval records of Blood Moons helped identify volcanic eruptions between 1100–1300 CE, confirmed by a 2023 University of Geneva study.

    Significance:

    • Scientific: Acts as a natural indicator of atmospheric composition, dust, and pollution; helps model planetary atmospheres.
    • Historical/Environmental: Provides evidence of past volcanic events and climate conditions.
    • Cultural: Linked to myths and superstitions, though harmless scientifically.
    • Public Engagement: Widely followed celestial event that aids astronomy outreach and awareness.
    [UPSC 2019] On 21st June, the Sun

    Options: (a) does not set below the horizon at the Arctic Circle*

    (b) does not set below the horizon at Antarctic Circle

    (c) shines vertically overhead at noon on the Equator

    (d) shines vertically overhead at the Tropic of Capricorn

     

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  • Modern Indian History-Events and Personalities

    100 years of the Self-Respect Movement in Tamil Nadu

    Prelims Only | History | Mains Paper 1: Modern Indian History

    Why in the News?

    This year marks the centenary of the Self-Respect Movement in Tamil Nadu, a transformative socio-political reform movement.

    About Self-Respect Movement:

    • Overview: Started in 1925 by E.V. Ramasamy Periyar in Tamil Nadu after his exit from the Indian National Congress.
    • Aim: To challenge Brahminical dominance, caste hierarchy, patriarchy, and blind religious practices; to create a rational, egalitarian society.
    • Methods:
      • Promotion of Self-Respect Marriages (without priests or caste rituals).
      • Advocacy of women’s rights – widow remarriage, divorce, property rights, inter-caste marriage.
      • Use of Kudi Arasu journal for spreading radical ideas and reform propaganda.
    • Significance:
      • Laid the foundation of the Dravidian movement in Tamil Nadu.
      • Prioritized social reform over political independence.
      • Gave marginalized communities and women a platform for dignity and equality.

    100 years of the Self-Respect Movement in Tamil Nadu

    Who was E.V. Ramasamy Periyar?

    • Overview: Erode Venkatappa Ramasamy (1879–1973), popularly known as Periyar or Thanthai Periyar (“Father Periyar”).
    • Identity: Social reformer, rationalist, and political thinker; called the “Father of the Dravidian Movement.”
    • Key Roles:
      • Led the Vaikom Satyagraha (1924-25) in Kerala against caste restrictions in temples, earning the title “Vaikom Hero.”
      • Founded the Self-Respect Movement (1925) and later Dravidar Kazhagam.
    • Ideology:
      • Advocated rationalism, atheism, equality, and eradication of caste.
      • Strongly opposed gender inequality and social exploitation.
    • Legacy: Inspired later Dravidian parties (DMK, AIADMK) and influenced Tamil Nadu’s policies on social justice, women’s rights, and education.
    [UPSC 2025] Who among the following was the founder of the ‘Self-Respect Movement’?

    Options:

    (a) ‘Periyar’ E. V. Ramaswamy Naicker* (b) Dr. B. R. Ambedkar (c) Bhaskarrao Jadhav (d) Dinkarrao Javalkar

     

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  • International Space Agencies – Missions and Discoveries

    New Horizons and Stellar Parallax Navigation

    Prelims Only | Science Tech | Mains Paper 3: Awareness in various sc and tech fields

    Why in the News?

    A recent study has showcased that spacecrafts can locate themselves using a simple stellar parallax method with just two nearby stars, without relying on Earth.

    New Horizons and Stellar Parallax Navigation

    What is Stellar Parallax?

    • Overview: Stellar parallax is the apparent shift in a star’s position against background stars when observed from two different vantage points.
    • Example: On Earth, this is measured every 6 months as the planet moves to opposite sides of its orbit.
    • Parallax Angle: The degree of this shift gives the star’s distance. Larger parallax means the star is closer.
    • Application in Space: By observing stars from both Earth and a spacecraft (billions of km apart), the relative positions can be compared to calculate the spacecraft’s distance.

    About the New Horizons Demonstration:

    • Spacecraft: Launched in 2006, New Horizons explored Pluto (2015) and is now beyond 60 AU (astronomical units).
    • Observation: On April 23, 2020, astronomers measured parallaxes of Proxima Centauri (4.2 light years) and Wolf 359 (7.9 light years) using Earth-based telescopes and New Horizons’ onboard instruments.
    • Results:
      • Proxima’s parallax: 32.4 arcseconds
      • Wolf 359’s parallax: 15.7 arcseconds
      • Derived spacecraft position: 46.89 AU, matching DSN’s 47.11 AU reading.
    • Requirements: Only a camera, onboard computer, and stellar catalogue — no special equipment needed.

    Significance:

    • Self-sufficient Navigation: Enables spacecraft to calculate their position without depending solely on Earth-based radio signals.
    • For Future Missions: Particularly useful for interstellar missions, where Earth’s beacons won’t be practical.
    • Simplicity: Unlike more complex astrometric navigation or pulsar navigation, this method is accessible with minimal hardware.
    • Educational Value: Though not precise enough yet for real-time navigation, it is a proof of concept for deep-space autonomy.
    [UPSC 2012] A person stood alone in a desert on a dark night and wanted to reach his village which was situated 5 km east of the point where he was standing. He had no instruments to find the direction, but he located the polestar. The most convenient way now to reach his village is to walk in the:

    Options: (a) direction facing the polestar

    (b) direction opposite to the polestar

    (c) direction keeping the polestar to his left *

    (d) direction keeping the polestar to his right

     

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  • Tribes in News

    In news: Apatani Tribe

    Prelims Only | Indian Society | Mains Paper 1: Salient features of Indian Society

    Why in the News?

    The facial tattoos and wooden nose plugs of Apatani women in Arunachal Pradesh, banned in the 1970s, now survive only among older generations, giving them anthropological importance.

    About Apatani Tribe:

    • Overview: A Scheduled Tribe (ST) concentrated in Ziro Valley, Lower Subansiri district, Arunachal Pradesh.
    • Language: Part of the Tani linguistic group, speaking a dialect of the Tibeto-Burman family.
    • Belief System: Paganistic faith worshipping the Sun (Ayo Danyii) and Moon (Atoh Piilo).
    • Festivals: Dree (prayers for harvest and prosperity), Myoko (friendship bonds), along with Yapung and Murung.
    • Global Recognition: Ziro Valley noted for traditional ecological knowledge, proposed as a UNESCO World Heritage Site.

    Unique Features:

    • Distinct Identity: Women traditionally had facial tattoos and wooden nose plugs; banned since the 1970s, seen only among older women today.
    • Sustainable Farming: Practise integrated rice-fish farming on terraced fields, growing rice varieties like Mipya, Emoh, Emeo along with fish (Ngihi).
    • Weaving Tradition: Women weave on a loin loom (Chichin), producing fabrics with geometric and zig-zag designs, dyed with natural extracts.
    • Bamboo Culture: Bamboo central to daily life, crafts, and rituals, symbolising ecological harmony.
    • Community Systems: Maintain sustainable social forestry and village institutions for conservation and cultural continuity.
    [UPSC 2014] Consider the following pairs:

    Tribe : State

    1. Limboo (Limbu) : Sikkim

    2. Karbi : Himachal Pradesh

    3. Dongaria Kondh : Odisha

    4. Bonda : Tamil Nadu

    Which of the above pairs are correctly matched?

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

     

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  • Innovations in Biotechnology and Medical Sciences

    RNA–Amino Acid Link clues to Origin of Life

    Prelims Only | Science Tech | Mains Paper 3: Awareness in various sc and tech fields

    Why in the News?

    A recent study published in the Nature suggests that simple molecules called aminoacyl-thiols may have helped amino acids stick to RNA (ribonucleic acid) without enzymes, giving clues to how protein-making began on early Earth.

    About the RNA–Amino Acid Link:

    • Discovery: Study showed that aminoacyl-thiols (simple prebiotic molecules) can attach amino acids to RNA directly (aminoacylation) without enzymes.
    • Modern Parallel: In cells today, this is done by aminoacyl-tRNA synthetases before ribosomes build proteins. This created the “chicken-and-egg problem”: proteins are needed to make proteins.
    • Chemical Mechanism:
      • Thioesters: Enable amino acids to attach to RNA (“charging RNA”).
      • Thioacids: Enable amino acids to link into peptides.
    • Robustness: Works at neutral pH, across many amino acids, with unexpected selectivity for RNA despite other molecules being more reactive.

    Significance for Origin of Life:

    • RNA World Hypothesis: Supports the idea that RNA and amino acids interacted directly before enzymes evolved.
    • Chemical Advantage: Shows RNA had a natural edge in early Earth conditions, explaining its central role in life’s origin.
    • Prebiotic Plausibility: Aminoacyl-thiols could form from simple nitriles and thiols, and reactions occurred even in cold/frozen pools resembling early Earth.
    • Evolutionary Pathway: Suggests life began with short peptides, with RNA later evolving control, leading to coded protein synthesis and ribosomes.
    [UPSC 2022] Consider the following statements : DNA Barcoding can be a tool to:

    1. assess the age of a plant or animal.

    2. distinguish among species that look alike.

    3. identify undesirable animal or plant materials in processed foods.

    Which of the statements given above is/are correct ?

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

     

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  • Foreign Policy Watch: India-United States

    [6th Spetember 2025] The Hindu Op-ed: India’s Strategic autonomy in a multipolar world

    op-ed snap | International Relations | Mains Paper 2: Effect Of Policies & Politics Of World On India’S Interests

    PYQ Relevance

    [UPSC 2014] With respect to the South China Sea, maritime territorial disputes and rising tension affairs the need for safeguarding maritime security to ensure freedom of navigation and even flight throughout the region. In this context, discuss the bilateral issues between India and China.

    Linkage: India’s stance on the South China Sea highlights strategic autonomy — upholding freedom of navigation under UNCLOS while resisting China’s expansive claims. Bilateral tensions persist, from border clashes (2020) to disputes over India’s oil exploration with Vietnam in contested waters. Yet, India balances deterrence through the Quad and cooperation via BRICS/SCO, reflecting a cautious but autonomous approach.

    Mentor’s comment

    Strategic autonomy is more than just a diplomatic catchphrase for India, it is the lifeline of its foreign policy in an era of multipolar flux. As India seeks to balance ties with the United States, China, and Russia, while also positioning itself as the voice of the Global South, the concept is no longer theoretical but a daily practice. For UPSC aspirants, understanding this evolving doctrine is essential to connect historical continuities with present-day challenges of geopolitics, economy, and technology.

    Introduction

    Strategic autonomy, once confined to the academic realm of international relations, has become a core principle of India’s foreign policy. Rooted in India’s colonial history and first institutionalized through Nehru’s Non-Alignment Movement, it has today evolved into a doctrine of multi-alignment, pragmatism, and resilience. In a world where U.S. unipolarity is waning, China is rising, and Russia is recalibrating its global role, India faces both opportunities and constraints. The essence of strategic autonomy lies in navigating this turbulent multipolarity while safeguarding sovereignty, growth, and global aspirations.

    The Evolution and Relevance of Strategic Autonomy

    1. Historical roots: Emerged from India’s colonial subjugation and Nehru’s vision of non-alignment.
    2. Cold War practice: Balanced ties with both blocs while retaining independence.
    3. Contemporary shift: Modi-era “multi-alignment” emphasizes flexibility with powers like the U.S., Russia, and China.
    4. Core principle: Not isolationism but adaptability in safeguarding national interests.

    How the Global Order Shapes India’s Autonomy

    1. Fragmented multipolarity: Decline of U.S. dominance, rise of China, Russia’s revisionism, and West’s internal divisions.
    2. Volatility in partnerships: U.S. unpredictability under Trump strained trade ties and increased pressure on India over Russia.
    3. Fluid environment: India must recalibrate ties to secure territorial integrity, economic growth, and regional stability.

    India’s Engagement with the United States

    1. Deepened partnership: Defence cooperation, intelligence sharing, joint exercises, and technology transfers.
    2. New initiatives: Quad, Indo-Pacific dialogues, I2U2, and IMEC reflecting shared concerns about China.
    3. Friction points: Trade tariffs, sanctions, and pressure to reduce Russia ties.
    4. India’s stance: Balanced engagement, cooperative yet assertively independent.

    India’s Balancing Act with China

    1. Security challenge: Border clashes of 2020 ended the façade of benign coexistence.
    2. Dual reality: China remains India’s major trading partner despite tensions.
    3. Strategic response: Strengthened border infrastructure, deepened Indo-Pacific ties, and indigenous defence push.
    4. Diplomatic engagement: Continued participation in BRICS, SCO to balance rivalry with dialogue.

    India’s Enduring Partnership with Russia

    1. Historical solidarity: Long-standing defence cooperation rooted in Cold War ties.
    2. Ukraine conflict test: Continued oil imports and weapons purchases despite Western criticism.
    3. Autonomous approach: Diversification of defence imports without abandoning Russia.
    4. Core principle: Refusal to choose sides in binary contests.

    Strategic Autonomy in the Global South Context

    1. Voice of the Global South: Asserted during India’s G20 presidency in 2023.
    2. India’s stance: “Non-West” but not “anti-West”, balancing pragmatism with plural democracy.
    3. Resonance abroad: Other rising powers too seek agency, not vassalage, in global politics.

    Domestic and Technological Dimensions of Autonomy

    1. Internal constraints: Political polarisation, economic vulnerabilities, institutional weaknesses.
    2. Modern domains: Cyber threats, AI warfare, space competition, data sovereignty.
    3. Recent steps: Indigenous platforms, critical minerals security, global tech governance participation.

    Conclusion

    Strategic autonomy is not about standing alone, but about standing tall. It requires balancing ties with major powers, investing in national capacity, and adapting to new-age domains of competition. India’s rise as a sovereign pole in the multipolar order rests on maintaining autonomy without succumbing to bloc politics. The essence is not isolation, but resilience, the art of walking the tightrope with clarity, confidence, and conviction.

    Value Addition

    Definition of Strategic Autonomy

    General Definition:

    • Strategic autonomy is a nation’s ability to pursue independent foreign and security policies, making sovereign decisions without being bound by external pressures, alliances, or blocs.
    • MEA perspective: It is about “maximizing national interest through diversified engagements” — not neutrality, not isolation, but flexibility and resilience.

    Evolution of Strategic Autonomy in India

    • Colonial Context: India’s colonial past created a deep-rooted desire to preserve independence in foreign policy.
    • Nehruvian Non-Alignment (1950s–1970s)
      • Core principle: India would not align with any Cold War bloc.
      • 1955 Bandung Conference and NAM (1961 Belgrade) institutionalized this vision.
      • Quote (Nehru, 1946): “We propose, so far as we can, to keep away from the power politics of groups, aligned against one another.”
    • Indira Gandhi Era (1970s–1980s)
      • Tilt towards USSR (1971 Indo-Soviet Treaty of Peace, Friendship and Cooperation).
      • Still claimed non-alignment, but practice became more pragmatic.
    • Post-Cold War Recalibration (1990s–2000s)
      • Unipolar U.S.-dominated world; India liberalised economy and sought closer U.S. ties while keeping Russia engaged.
      • “Strategic autonomy” re-emerged as India avoided being a U.S. ally despite growing partnership.
    • 21st Century: Multi-Alignment
      • India now engages multiple powers simultaneously: U.S. (Quad, I2U2, IMEC), Russia (defence, energy), China (BRICS, SCO), EU (trade), Global South (voice in G20).
      • Current doctrine: “Autonomy through diversification”, maintaining flexibility across issues.

    Multi-Alignment in India’s Foreign Policy

    • Overview: Instead of non-alignment (staying out of blocs), India today practices multi-alignment — engaging with all major powers, often simultaneously, without exclusive commitment.
    • Examples:
      • Quad (U.S., Japan, Australia, India) → Indo-Pacific security.
      • BRICS (Brazil, Russia, India, China, South Africa) → financial/strategic cooperation.
      • SCO (Russia, China, Central Asia) → security & regional stability.
      • I2U2 (India, Israel, UAE, U.S.) → technology, infrastructure, food security.
      • IMEC → new economic corridor connecting India–Middle East–Europe.

    Key Quotes for Value Addition

    • Jawaharlal Nehru (1946): “We propose, so far as we can, to keep away from the power politics of groups, aligned against one another.” (Origin of non-alignment).
    • Atal Bihari Vajpayee (2003, as PM): “India and the United States may disagree on some issues, but as sovereign countries, we have the right to pursue our national interests.” (Strategic autonomy in U.S. ties).
    • Dr. Manmohan Singh (2005, PM): “Our strategic autonomy does not mean isolation. It means engaging all major powers on equal terms.”
    • S. Jaishankar (External Affairs Minister):
      • “Multi-alignment is the call of the day. Strategic autonomy in today’s multipolar world means engaging America, Russia, China, Europe, and others — each on its own merit.”
      • “Partnerships must be based on interests, not sentiment, not inherited obligations.”
      • “We are non-West, but not anti-West.” (G20 context, 2023).
    • Shivshankar Menon (Former NSA & diplomat):
      • “Strategic autonomy is not a slogan. It is the art of being flexible in a world where alliances are rigid, and sovereignty is contested.”
      • “For India, autonomy lies in not choosing sides but choosing our interests.”

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  • Disasters and Disaster Management – Sendai Framework, Floods, Cyclones, etc.

    Why Punjab keeps flooding

    Explained | Enviro & Biodiversity | Mains Paper 3: Disaster Management

    Introduction

    Punjab, often called the “food bowl of India,” is paradoxically one of the most flood-prone states in the country. Drained by three perennial rivers, the Ravi, Beas, and Sutlej, along with seasonal tributaries and hill streams, Punjab has historically thrived on its fertile floodplains. Yet, the very rivers that make its land abundant also bring recurring devastation. The 2025 floods, among the worst in recent memory, have once again underlined the dual challenge of geography and governance. With 3.8 lakh people affected, 11.7 lakh hectares of farmland destroyed, and 43 lives lost, the floods highlight not just natural vulnerability but also systemic mismanagement.

    Why Punjab’s Floods Are Back in the Spotlight

    Punjab is currently experiencing one of the most destructive floods in decades, with unprecedented rainfall in Himachal Pradesh, J&K, and Punjab itself swelling rivers beyond capacity. What makes this year’s floods significant is the scale: all 23 districts have been declared flood-hit, and the breach of Madhopur barrage gates has worsened devastation. While heavy rains are not new, institutional failures, especially in dam management by the Bhakra Beas Management Board (BBMB), and delayed warnings have amplified the crisis, making the situation worse than previous floods of 1955, 1988, 1993, 2019, and 2023.

    Rivers as Both Boon and Bane

    1. Three perennial rivers – Ravi, Beas, and Sutlej traverse Punjab, carrying immense alluvium and making the state highly fertile.
    2. Seasonal rivers and choes – Rivers like Ghaggar and hill streams add to Punjab’s complex hydrology.
    3. Agricultural abundance – Punjab produces nearly 20% of India’s wheat and 12% of its rice, despite occupying only 1.5% of landmass.
    4. Recurring floods – Heavy monsoons, particularly in upstream catchments (Himachal and J&K), frequently overwhelm dhussi bundhs (earthen embankments), as seen in 1955, 1988, 1993, 2019, 2023, and now 2025.

    Why Do Dams Intensify Flooding

    1. Upstream dams – Bhakra (Sutlej), Pong (Beas), and Thein/Ranjit Sagar (Ravi) play a central role in regulating river flow.
    2. Rule curve dilemma – The BBMB maintains high reservoir levels in July–August for irrigation and power, leaving little cushion for sudden heavy inflows.
    3. Sudden releases – Emergency releases during extreme rainfall cause flash floods downstream, as seen with Pong dam’s unprecedented 20% higher inflows than 2023.
    4. Governance issue – Punjab feels marginalized in BBMB decisions, especially after 2022 rule changes allowing all-India officers to head the Board.

    Human Factors Worsening the Crisis

    1. Barrage failures – On August 26, two gates of the Madhopur barrage collapsed after Thein dam releases, flooding Pathankot, Gurdaspur, and Amritsar.
    2. Weak embankments – Illegal mining has eroded dhussi bundhs, reducing their ability to withstand pressure.
    3. Poor coordination – Lack of communication between upstream and downstream departments delayed gate operations.
    4. Neglected desilting – Experts estimate that ₹4,000–5,000 crore investment in desilting and embankment strengthening could prevent far greater losses.

    Larger Governance Failures

    1. BBMB’s narrow mandate – Prioritizes irrigation and power, neglecting flood management.
    2. Delayed warnings – Punjab officials allege sudden releases with little time for evacuation.
    3. Political tensions – Punjab’s Water Resources Minister accused the Centre of ignoring Punjab’s plight.
    4. Environmentalists’ view – Experts stress that flood cushions, transparent decision-making, and scientific dam operations are essential to prevent repeated tragedies.

    Conclusion

    Punjab’s floods are not just a story of heavy rain but of fragile governance structures. Nature may trigger floods, but poor dam management, illegal mining, weak embankments, and lack of timely communication convert them into disasters. Strengthening embankments, enforcing transparent dam operations, and giving Punjab a greater role in BBMB are urgent needs. Unless governance catches up with geography, Punjab will continue to oscillate between abundance and devastation.

    UPSC Relevance

    [UPSC 2024] Flooding in urban areas is an emerging climate-induced disaster. Discuss the causes of this disaster. Mention the features of two such major floods in the last two decades in India. Describe the policies and frameworks in India that aim at tackling such floods.

    Linkage: The Punjab floods of 2025 mirror the challenges of urban floods like Mumbai (2005) and Chennai (2015), where extreme rainfall combined with poor drainage, unplanned construction, and dam mismanagement turned heavy rain into catastrophe. Frameworks like the Disaster Management Act, 2005, the Sendai Framework (2015–30), and National Disaster Management Plan (2019) provide guiding structures, yet governance lapses and weak local preparedness continue to make both rural and urban areas equally vulnerable to flooding.

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