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GS Paper: GS3

  • Share of Clean Energy in Electricity still below 30%

    Why in the News?

    Recently, India has achieved 50% of its installed power capacity from non-fossil sources, five years ahead of its Paris Agreement target. However, clean energy contributes under 30% of actual electricity supply due to low capacity utilisation rates.

    Why is clean energy generation lower than installed capacity?

    • Low Capacity Utilisation Factor (CUF): Clean energy sources operate at lower efficiency. For example, solar power has a CUF of ~20% and wind ~25–30%, while coal operates at ~60% CUF and nuclear at ~80%. Eg: As of June 2025, India’s installed non-fossil fuel capacity was 50% of 484 GW, but the actual electricity supplied from clean sources was only 28% of the total.
    • Intermittent Generation and Time Dependence: Renewable energy depends on natural conditions — solar is only available during daylight hours, and wind is seasonal. Eg: In 2014-15, clean energy contributed 17% to total generation; despite reaching 50% installed capacity by 2025, generation rose only to 28%, reflecting the limitations of time-bound output.
    • Lack of Energy Storage and Grid Flexibility: India lacks sufficient battery storage and smart grid infrastructure to store and distribute excess renewable energy. Eg: During daytime in summer, solar plants reduce coal dependence, but in the evening, coal still supplies 75% of the energy mix, due to the absence of stored solar power.

    How does coal still dominate India’s energy mix?

    • High Reliability and Base Load Supply: Coal provides consistent, round-the-clock electricity, making it ideal for base load demand that must be met continuously. Eg: Thermal power plants in Chhattisgarh and Jharkhand run 24/7 to supply power to industrial zones in eastern India.
    • Established Infrastructure: India has a vast network of coal-based plants, railways for coal transport, and supply chains, making coal a readily usable resource. Eg: The Singrauli region in Madhya Pradesh has integrated coal mines and thermal plants that supply electricity to multiple states.
    • Lower Initial Costs for Generation: Coal-based plants are already built and operational, allowing them to generate electricity at a lower short-term marginal cost than new renewable setups. Eg: NTPC’s older thermal plants continue operating profitably with sunk capital costs.
    • Policy and Economic Dependence: Coal is a major contributor to government revenue and employment, especially in coal-rich states like Odisha and Jharkhand. Eg: The Mahanadi Coalfields Limited (MCL) contributes significantly to Odisha’s economy and supports thousands of livelihoods.

    What can improve renewable energy reliability?

    • Expansion of Renewable Energy Targets: India set a target of achieving 500 GW of non-fossil fuel capacity by 2030, in line with its Nationally Determined Contributions (NDCs) under the Paris Agreement.
    • Promotion of Solar Energy (PM-KUSUM & Rooftop Solar): Schemes like PM-KUSUM promote solar pumps for agriculture, while the Rooftop Solar Programme aims to increase solar adoption in residential and commercial sectors.
    • Green Energy Corridor Development: The government is investing in Green Energy Corridors to enable the smooth transmission of renewable power from generation points to demand centres. Eg Under Green Energy Corridor Phase-I, over 9700 circuit km of transmission lines and 220 substations were planned.
    • Production-Linked Incentive (PLI) Scheme for Solar Manufacturing: Under the PLI scheme, the government provides financial incentives to boost domestic manufacturing of solar PV modules, reducing import dependence.
    • Push for Energy Storage and Hybrid Projects: Promotion of battery storage, pumped hydro projects, and hybrid renewable energy parks (solar + wind + storage) to ensure round-the-clock clean energy supply.

    Case studies: 

    • Germany – Battery Storage and Smart Grids: Germany has invested heavily in battery storage systems and smart grid technology under its Energiewende (energy transition) policy. This enables better integration of solar and wind energy, helping maintain grid stability even during peak renewable generation hours.
    • Australia – Hybrid and Community-Based Renewable Projects: Australia has developed hybrid power plants that combine solar, wind, and battery storage (e.g., the Hornsdale Power Reserve in South Australia). It also supports community-led microgrids, improving reliability in remote areas with limited access to conventional grids.

    What can improve renewable energy reliability?

    • Energy Storage Systems: Deploying large-scale battery storage and pumped hydro storage can store surplus energy from solar and wind sources and release it during periods of high demand or low generation.
    • Smart Grid Infrastructure: Implementing smart grids enables real-time demand-supply balancing, better integration of variable renewables, and supports differential pricing to shift demand to renewable-rich hours.
    • Hybrid Renewable Projects: Promoting hybrid systems that combine solar, wind, and storage ensures more consistent power output by compensating for the variability of individual sources.

    Mains PYQ:

    [UPSC 2022] How much of India’s energy requirements are met by renewable energy by 2030 ? Justify your answer. How will the shift of subsidies from fossil fuels to renewables help achieve the above objective? Explain.

    Linkage: The article talks about the India has achieved a significant milestone with 50% of its total electric power capacity sourced from non-fossil fuels (solar, wind, biomass, hydro, and nuclear power), the actual share of clean energy in the electricity supplied is below 30%. This question directly related to the India’s energy requirements are met by renewable energy.

  • Prime Minister Dhan-Dhaanya Krishi Yojana

    Why in the News?

    The Union Cabinet has approved the Prime Minister Dhan-Dhaanya Krishi Yojana (PMDDKY), aimed at enhancing agricultural productivity, promoting sustainable practices, and improving rural livelihoods.

    Prime Minister Dhan-Dhaanya Krishi Yojana

    About Prime Minister Dhan-Dhaanya Krishi Yojana (PMDDKY)

    • Objective: Aims to transform agriculture in 100 low-performing districts by addressing productivity gaps.
    • Inspiration: Modelled on NITI Aayog’s Aspirational Districts Programme; first scheme focused solely on agriculture and allied sectors.
    • Launch: Announced in Union Budget 2025–26 and approved by the Union Cabinet chaired by PM Narendra Modi.
    • Approach: Driven by convergence of schemes, collaboration across stakeholders, and healthy competition among districts.

    Key Features:

    • Scheme Integration: Merges 36 schemes from 11 ministries into one unified framework.
    • Budget & Duration: ₹24,000 crore annual outlay for six years (starting 2025–26).
    • District Selection:
      • 100 districts with low productivity, cropping intensity, and credit access
      • At least one district from each state/UT
    • Focus Areas:
      • Boosting productivity
      • Promoting crop diversification and sustainability
      • Improving irrigation and water efficiency
      • Expanding post-harvest storage
      • Enhancing credit access
    • Performance Monitoring: Monthly ranking on 117 Key Performance Indicators (KPI) via centralized dashboard.
    • Support Mechanism: NITI Aayog to provide capacity-building and reviews.
    • Expert Note: Credit-based selection criteria may require refinement.

    Implementation:

    • District Planning: Each district to prepare an Agriculture and Allied Activities Plan.
    • Plan Approval: Handled by District Dhan Dhaanya Samiti, chaired by the Collector and including progressive farmers.
    • National Alignment:
      • Agricultural self-sufficiency
      • Soil and water conservation
      • Promotion of organic/natural farming
    • Governance: Committees at district, state, and national levels to guide execution.
    • Monitoring: Central Nodal Officers (CNOs) to conduct field visits and track progress.
    • Technical Support: Agricultural universities to serve as knowledge partners.
    • Expected Outcomes: Boost farm income, create local livelihoods, and support Atmanirbhar Bharat through enhanced agri-productivity.
    [UPSC 2020] Under the Kisan Credit Card scheme, short-term credit support is given to farmers for which of the following purposes?

    1. Working capital for maintenance of farm assets

    2. Purchase of combine harvesters, tractors and mini truck

    3. Consumption requirements of farm households

    4. Post-harvest expenses

    5. Construction of family house and setting up of village cold storage facility

    Select the correct answer using the code given below:

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

     

  • GW231123: Biggest Black Hole Merger Detected

    Why in the News?

    Researchers have reported the detection of an exceptionally massive black hole merger, labelled GW231123.

    GW231123: Biggest Black Hole Merger Detected

    About Black Holes and Black Hole Merger:

    • Overview: Black holes are extremely dense celestial objects whose gravitational pull is so strong that even light cannot escape.
    • Types of Black Holes:
      1. Stellar-mass: Around 20 times the mass of the Sun or more.
      2. Intermediate-mass: Between 100 and 100,000 times the mass of the Sun.
      3. Supermassive: From 100,000 to several billion times the mass of the Sun.
    • Black Hole Merger:
      • Occurs when two black holes orbit each other, lose energy via gravitational waves, and merge into a larger black hole.
      • The GW231123 event involved black holes of approximately 140 and 100 solar masses, forming a final black hole of 225 solar masses — the largest detected through gravitational waves.
      • Scientists suggest such massive black holes may form via hierarchical mergers (successive black hole mergers).
      • Supports theories on the formation of supermassive black holes, often found at galactic centers.

    Recent Observations:

    • Event Timing: The GW231123 event was detected on November 23, 2023, though it occurred billions of years ago.
    • Signal Characteristics:
      • Lasted only a tenth of a second but matched Einstein’s predictions under General Relativity.
      • Both black holes were rapidly spinning, hinting at a complex formation history.
    • Scientific Significance:
      • Involved intermediate-mass black holes, rarely observed in nature.
      • Challenges existing models of black hole formation via stellar collapse.
      • Indicates the presence of black holes in the so-called “forbidden mass gap”.
    • Conference Presentation:
      • Findings to be presented at the 24th International Conference on General Relativity and Gravitation (GR24) and the 16th Edoardo Amaldi Conference on Gravitational Waves, held in Glasgow, UK (July 14–18, 2025).
    • Broader Implications:
      • Opens new questions about the origin of massive black holes.
      • Offers insights into gravitational physics, cosmology, astrophysics, and potentially particle physics or cosmic string theory.
      • Model refinements are ongoing to better understand such extreme cosmic phenomena.

    Gravitational Wave Detection Network:

    • Nature of Gravitational Waves: Invisible ripples in spacetime caused by cataclysmic cosmic events like black hole collisions; predicted by Einstein in 1916.
    • Global Detection Network (LIGO–Virgo–KAGRA):
      • Laser Interferometer Gravitational-Wave Observatory (LIGO):
        • Operates two detectors in the United States (in the states of Louisiana and Washington).
        • First detected gravitational waves in 2015, leading to a Nobel Prize in Physics in 2017.
      • Virgo Observatory: Located near Pisa, Italy and operated by the European Gravitational Observatory.
      • Kamioka Gravitational Wave Detector (KAGRA): Located underground in the Kamioka mine, Japan, and notable for its cryogenic mirror technology.
    • LIGO-India:
      • Under construction in Hingoli, Maharashtra in partnership with the US National Science Foundation.
      • Involves scientists from 17 Indian institutions.
    [UPSC 2019] Recently, scientists observed the merger of giant ‘blackholes’ billions of light-years away from the Earth.

    What is the significance of this observation?

    Options: (a) Higgs boson particles’ were detected. (b) Gravitational waves’ were detected * (c) Possibility of inter-galactic space travel through ‘wormhole’ was confirmed. (d) It enabled the scientists to understand ‘singularity’.

     

  • NIPGR’s gene-edited Japonica Rice shows increased Phosphate uptake

    Why in the News?

    Scientists at the National Institute of Plant Genome Research (NIPGR), Delhi, have successfully used CRISPR-Cas9 gene editing technology to enhance phosphate uptake and utilization in japonica rice.

    Back2Basics: CRISPR-Cas9 Gene Editing

    • What It Is: A powerful gene-editing tool that allows targeted changes to DNA sequences.
    • Full Form: Clustered Regularly Interspaced Short Palindromic Repeats and CRISPR-associated protein 9.
    • Nobel Prize: Emmanuelle Charpentier and Jennifer Doudna won the 2020 Nobel Prize in Chemistry for this discovery.
    • Key Components:
      • Cas9 Enzyme: Acts as molecular scissors to cut DNA at a specific location.
      • Guide RNA (gRNA): Directs Cas9 to the exact DNA sequence to be edited.
    • How It Works?
      • A gRNA is designed to match the target DNA.
      • Cas9 and gRNA form a complex inside the cell.
      • The complex binds to the target and cuts the DNA.
      • The cell’s repair system modifies the DNA—adding, deleting, or changing genetic material.

    About Japonica Rice:

    • Overview: Japonica is one of the two major cultivated rice subspecies, the other being Indica.
    • Research Use: The Nipponbare variety of Japonica was used in recent gene-editing experiments.
    • Why Japonica is Preferred in Studies:
      • High regeneration potential in tissue culture
      • Easier genetic transformation and faster growth in lab conditions
    • Relevance to India: While not widely cultivated in India, Japonica acts as a model variety for testing before applying results to Indian Indica varieties.

    Key Features of the Japonica Rice Study:

    • Gene Editing Technique: Used CRISPR-Cas9 to edit a 30 base-pair repressor binding site on the promoter of the OsPHO1;2 gene.
    • Outcomes of the Edit:
      • Enhanced phosphate uptake from the soil
      • Improved phosphate transport from root to shoot
      • Yield increased by up to 40% using only 10% of the usual phosphate fertilizer
      • Normal seed traits retained: size, shape, starch, and phosphate levels
    • Significance: Demonstrated precise, minimal gene editing as a proof-of-concept that can be adapted to Indian rice varieties.
    [UPSC 2018] With reference to the Genetically Modified mustard (GM mustard) developed in India, consider the following statements:

    1. GM mustard has the genes of a soil bacterium that give the plant the property of pest-resistance to a wide variety of pests.

    2. GM mustard has the genes that allow the plant cross-pollination and hybridization.

    3. GM mustard has been developed jointly by the IARI and Punjab Agricultural University.

    Which of the statements given above is/are correct?

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

     

  • Mysterious Antimatter Physics discovered at CERN Large Hadron Collider

    Why in the News?

    CERN scientists have detected a tiny but significant difference in how matter and antimatter versions of baryons behave — offering clues to why matter dominates the universe, despite both being created equally after the Big Bang.

    What is CERN’s LHCb Experiment?

    • Location: At the Large Hadron Collider near Geneva, on the France–Switzerland border.
    • Name: LHCb = Large Hadron Collider beauty; focuses on beauty (bottom) quarks.
    • Started: Built in early 2000s; began collecting data in 2009.
    • Purpose: Studies particle decay, especially of beauty quark-containing particles, to test the Standard Model and search for small anomalies.

    Matter vs Antimatter – The Big Puzzle:

    • Matter: Everything around us is made of it.
    • Antimatter: Mirror image of matter, with opposite charges.
    • Big Bang Theory: Both should have been produced equally — and destroyed each other.
    • But…: Only matter remains — a mystery science is still trying to solve.
    • CP Symmetry: Physics expects matter and antimatter to behave identically (Charge-Parity symmetry).
    • CP Violation: When this symmetry breaks — possibly explaining why matter survived.

    What did Scientists Discover?

    • Focus: Lambda-b baryons and their antimatter versions.
    • Finding: A small but clear CP violation — they decayed differently.
    • Significance: First such discovery in baryons (previously seen only in mesons).
    • Certainty: Highly reliable — only 1 in 3.5 million chance it’s random.

    Why is this Important?

    • Helps explain why the universe is made of matter.
    • Expands discovery of CP violation to heavier particles.
    • Could hint at physics beyond the Standard Model.
    • Moves us closer to solving one of the universe’s biggest mysteries.
    [UPSC 2013] The efforts to detect the existence of Higgs boson particle have become frequent news in the recent past. What is/are the importance/importances of discovering this particle?

    1. It will enable us to under-stand as to why elementary particles have mass. 2. It will enable us in the near future to develop the technology of transferring matter from one point to another without traversing the physical space between them. 3. It will enable us to create better fuels for nuclear fission.

    Select the correct answer using the codes given below.

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

     

  • [16th July 2025] The Hindu Op-ed: How is global shipping trying to decarbonise?

    PYQ Relevance:

    [UPSC 2022] Discuss global warming and mention its effects on the global climate. Explain the control measures to bring down the level of greenhouse gases which cause global warming, in the light of the Kyoto Protocol, 1997.

    Linkage: The fundamental objective behind global shipping’s decarbonization efforts is to reduce the level of greenhouse gases (GHGs) to combat global warming. The shift to green fuels like green ammonia and e-methanol by the shipping industry represents a crucial “control measure” aimed at achieving this objective.

     

    Mentor’s Comment:  India is positioning itself as a global hub for green marine fuels like green methanol and green ammonia, aligning with global shipping’s decarbonisation goals by 2040–2050. With strong policy support, India is accelerating electrolyser manufacturing, advancing carbon capture technologies, and reviving its shipbuilding sector. By promoting green fuel exports, the country aims to seize a strategic opportunity in the global transition to clean energy and assert its maritime leadership in the emerging green shipping economy.

    Today’s editorial analyses the green fuels in shipping decarbonisation. This topic is important for  GS Paper III (Environment) in the UPSC mains exam.

    _

    Let’s learn!

    Why in the News?

    Recently, Global shipping is moving towards reducing carbon emissions by 2040–2050, which offers a major opportunity for India. Currently, most merchant ships run on fuels like Very Low Sulphur Fuel Oil (VLSFO), diesel, and liquefied methane gas.

    What are green fuels?

    • Green fuels are derived from green hydrogen, which is produced by electrolysis of water using renewable energy (e.g., solar, wind). Green ammonia is created by combining green hydrogen and nitrogen.
    • Green methanol is produced from green hydrogen and CO₂ (captured from industrial sources). These fuels are carbon-neutral or low-carbon alternatives to conventional shipping fuels like VLSFO or LNG.

    How do green fuels aid in shipping decarbonisation?

    • Reduction of Greenhouse Gas Emissions: Green fuels like green methanol and green ammonia significantly reduce or eliminate CO₂ and GHG emissions compared to traditional fossil fuels such as VLSFO and LNG. Eg: Green methanol emits about 10% of CO₂ compared to VLSFO, while green ammonia emits virtually zero greenhouse gases.
    • Compatibility with Existing Systems (for Transition): Green methanol is a suitable transitional fuel requiring minimal retrofitting of existing ship engines, supporting a smooth shift from fossil fuels. Eg: Over 360 methanol-capable ships are already in service or on order, including by global giants like Maersk and CMA CGM.
    • Enables Compliance with Future Emission Norms: Adoption of green fuels ensures alignment with global decarbonisation goals and helps meet emission standards set for 2040–2050 by international maritime bodies. Eg: India’s initiative to build green fuel hubs at Tuticorin and Kandla supports compliance with IMO’s emission targets.

    How can India become a global hub for marine green fuel production?

    • Utilising Coastal Industrial Clusters for Integrated Green Fuel Zones: India can leverage existing coastal industrial zones to integrate green fuel production with port logistics, reducing supply chain costs and boosting efficiency. Eg: The Mumbai–Pune industrial corridor near the Jawaharlal Nehru Port can be developed into a green methanol hub with co-located renewable energy, CO₂ sources, and export terminals.
    • Exporting Green Fuels Through Strategic Trade Partnerships: By forging long-term green energy export agreements with fuel-deficit countries, India can secure demand and scale up production. Eg: A partnership with the European Union’s FuelEU Maritime initiative could enable India to export green methanol to European ports aiming for carbon-neutral shipping.
    • Establishing Research and Innovation Centers in Maritime States: Setting up marine green fuel R&D centres in states like Tamil Nadu, Andhra Pradesh, or Odisha can drive innovation in fuel production, storage, and engine retrofits. Eg: A dedicated Marine Energy Innovation Park in Visakhapatnam could support pilot projects for green ammonia engines and advanced electrolyser technology.

    What are the challenges? 

    • High Capital Costs and Infrastructure Requirements: Transitioning to green fuels requires significant investments in retrofitting ships, building new vessels, and developing bunkering infrastructure. Eg: Installing methanol-compatible systems or ammonia handling setups onboard involves major design changes and safety adaptations, slowing adoption.
    • Limited Availability and High Price of Green Fuels: Green fuels like e-methanol and green ammonia are still expensive and scarce due to high renewable electricity costsand limited production capacity. Eg: In February, e-methanol cost $1,950/tonne in Singapore, compared to $560/tonne for VLSFO, making the shift economically difficult.

    What are the policy and financial tools that are key to scaling green methanol in India?

    • Sovereign Guarantees and Off-take Assurance: Government-backed sovereign guarantees reduce investment risks and enable access to low-cost international finance, while off-take agreements ensure steady demand, improving project bankability.
    • Production-Linked Incentives (PLI) and Domestic Manufacturing Support: PLI schemes for electrolyser manufacturing help reduce import dependence, lower production costs, and localise the green fuel value chain.
    • Carbon Capture and CCUS Incentives: Policy incentives for Carbon Capture, Utilisation, and Storage (CCUS) make it viable to obtain CO₂ from industrial sources, which is essential for green methanol production using green hydrogen.

    In what ways can green fuel shipbuilding boost India’s maritime sector?

    • Revival of Domestic Shipyards through High-Value Orders: Building green fuel-compatible ships can generate consistent demand for Indian shipyards, modernising infrastructure and creating skilled employment. Eg: Reviving the Hindustan Shipyard Limited (HSL) in Andhra Pradesh with contracts for green ferries and coastal cargo vessels can reinvigorate domestic shipbuilding.
    • Enhancing India’s Global Ship Export Potential: Developing expertise in green shipbuilding can position India as an exporter of eco-friendly vessels to emerging markets transitioning to low-emission fleets. Eg: India can export hybrid-electric and green methanol-compatible vessels to island nations in the Indian Ocean and Africa implementing IMO emission norms.
    • Strengthening India’s Role in the Green Maritime Supply Chain: Green shipbuilding can attract global OEMs and technology partners, integrating India into the international green maritime supply chain. Eg: Setting up a Green Marine Innovation Cluster in Kochi with global collaboration could turn the region into a hub for next-gen ship components and propulsion systems.

    Case study: 

    • Denmark – Green Methanol Leadership: Denmark, through Maersk, is leading the global shift to green methanol-powered shipping, with multiple vessels ordered and partnerships for fuel production. Government support and private sector collaboration have positioned Denmark as a model for green shipping innovation and sustainable maritime infrastructure.
    • Japan – Advancing Green Ammonia Shipping: Japan is pioneering green ammonia as a marine fuel with state-backed funding, R&D, and prototype vessels under companies like NYK Line. Its investments in ammonia bunkering infrastructure and domestic shipbuilding are helping build a complete green maritime ecosystem.

    Way forward: 

    • Develop Integrated Green Maritime Ecosystems: India should establish green fuel production, bunkering, and shipbuilding hubs along key coastal regions by combining policy incentives, infrastructure investment, and private sector participation.
    • Leverage Financial Tools and Global Partnerships: Use sovereign guarantees, PLI schemes, and international green financing to scale up green methanol projects, while forging strategic trade and technology alliances with global maritime leaders.

  • Rhino DNA Index System (RhODIS)

    Why in the News?

    The Assam Forest Department is conducting DNA profiling of 2,500 rhino horns using the Rhino DNA Index System (RhODIS) to aid wildlife forensics and curb illegal trade.

    What is Rhino DNA Index System (RhODIS)?

    • Overview: It is a wildlife forensic tool designed to combat rhino poaching through DNA profiling.
    • Development: It was originally developed by South Africa and later adapted for use in India.
    • Working: The system helps build a genetic database of individual rhinos by collecting DNA from horns, tissues, dung, or blood samples.
    • Utility: Each rhino has a unique DNA profile, making it possible to match confiscated horns with individual animals or poaching locations.
    • Implementing Agency: In India, the Wildlife Institute of India (WII) is responsible for RhODIS genetic analysis under the RhODIS India program.
    • Applications of RhODIS: The system plays a vital role in linking seized rhino horns to poaching incidents, providing admissible forensic evidence in court cases, tracking illegal wildlife trade routes and criminal networks, and monitoring genetic diversity and population health over time.

    About One-Horned Rhinoceros:

    • Overview: The Greater One-Horned Rhinoceros (Rhinoceros unicornis) is a herbivorous megafauna species native to the Indian subcontinent.
    • Distinctive Features: It is also called the Indian rhinoceros and is characterized by its single black horn and thick, armor-like skin.
    • Conservation Status: It is listed as Vulnerable on the IUCN Red List, in Appendix I of CITES, and under Schedule I of the Wildlife Protection Act, 1972 (India).
    • Major Habitats in India: Its primary habitats include Kaziranga, Pobitora, Manas, and Orang National Parks in Assam; Jaldapara and Gorumara National Parks in West Bengal; and the Dudhwa Tiger Reserve in Uttar Pradesh.
    • Population Growth: Its has increased from around 1,500 in the 1980s to over 4,000 in 2024, with Assam alone holding 80% of the global population. Kaziranga National Park houses the largest population, with 2,613 rhinos as per 2022 data.
    • Primary Threats: Major threats include poaching for horns driven by illegal wildlife trade and false beliefs about medicinal value, as well as habitat degradation due to floods, encroachment, and climate change.
    • Indian Rhino Vision 2020 (Project Rhino):  It was launched in 2005, aimed to spread the rhino population across seven protected areas.
    [UPSC 2019] Consider the following statements:

    1. Asiatic lion is naturally found In India only.

    2. Double-humped camel is naturally found in India only.

    3. One-horned rhinoceros is naturally found in India only.

    Which of the statements given above is / are correct?

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

     

  • [pib] Indian Council of Agricultural Research (ICAR) at 97

    Why in the News?

    The Indian Council of Agricultural Research (ICAR) celebrated its 97th Foundation Day, marking nearly a century of contributions to Indian agriculture.

    About ICAR:

    • Overview: ICAR is an autonomous organization under the Department of Agricultural Research and Education (DARE), Ministry of Agriculture and Farmers Welfare, Government of India.
    • Establishment: It was established on 16 July 1929 as the Imperial Council of Agricultural Research, following the recommendations of the Royal Commission on Agriculture.
    • Legal Framework: It functions as a registered society under the Societies Registration Act, 1860.
    • Headquarters: ICAR is headquartered in New Delhi and serves as the apex body for coordinating and managing agricultural research and education across the country.
    • Structure: ICAR oversees a vast network of 113 research institutes and 74 agricultural universities, making it one of the largest national agricultural systems globally.
    • Functions: It supports research in agriculture, horticulture, fisheries, animal sciences, and natural resource management.

    Key Accomplishments of ICAR:

    • Record Agricultural Production: India achieved record foodgrain production of 353.95 million tonnes in 2024–25. It became the largest global producer and exporter of rice and the top producer of milk (239.3 million tonnes), while ranking second in wheat, horticultural output, and fish production (18.42 million tonnes).
    • Major Initiatives and Campaigns: It launched programmes such as One Scientist One Product, 100 Days 100 Varieties and Viksit Krishi Sankalp Abhiyan (reaching 1.35 crore farmers).
    • Crop Science Research: Developed 679 field crop varieties, including 27 bio-fortified ones; introduced the world’s first genome-edited rice; improved varietal replacement in pulses and oilseeds; supported basmati rice exports worth ₹50,000 crore.
    • Horticultural Innovation: Released 83 new varieties across fruits, vegetables, spices, flowers, and medicinal plants; distributed over 22 lakh high-quality planting materials; set up 9 Clean Plant Centres for disease-free germplasm.
    • Fisheries Development: Implemented precision shrimp farming systems with high efficiency; developed low-carbon marine fish products and nutraceutical feeds; standardized breeding for 7 fish species.
    • Natural Resource Management: Created a National Soil Spectral Library with 40,000 samples; developed 35 Good Agricultural Practices; promoted climate-resilient villages and crop diversification; reduced methane emissions in rice by 18% using microbial consortia.
    • Livestock Sector Contributions: Registered 10 indigenous breeds; developed 5 vaccines and 7 diagnostic kits; distributed over 14.09 lakh poultry germplasm; introduced smart sensors for dairy quality monitoring.
    • Major National Programmes: Launched the Global Centre of Excellence on Millets (Shree Anna), genome editing in 40 crops, the Second National Gene Bank, the MAHARISHI (Millets and Ancient Grains) Initiative, and national missions on edible oils, cotton, and emerging biotic threats.
    [UPSC 2018] With reference to the Genetically Modified mustard (GM mustard) developed in India, consider the following statements:

    1. GM mustard has the genes of a soil bacterium that give the plant the property of pest-resistance to a wide variety of pests.

    2. GM mustard has the genes that allow the plant cross-pollination and hybridization.

    3. GM mustard has been developed jointly by the IARI and Punjab Agricultural University.

    Which of the statements given above is/are correct?

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

     

  • New butterfly species Zographetus mathewi found in Western Ghats

    Why in the News?

    A team of Indian conservationists has identified a new butterfly species, Zographetus mathewi, in the biologically rich Western Ghats.

    About Zographetus mathewi

    • Overview: Zographetus mathewi is a newly identified species of skipper butterfly.
    • Taxonomic Classification: It belongs to the family Hesperiidae and the genus Zographetus Watson, 1893.
    • Distribution: This species is endemic to the low-elevation forests of Kerala, Western Ghats.
    • Genus: It is the 15th species in the Zographetus genus and the 5th recorded in India.
    • Publication and Naming: Published in the journal Entomon, the butterfly was named in honour of George Mathew, a noted Indian entomologist.

    Key Features of Zographetus mathewi

    • Similarity with Other Species: It closely resembles Zographetus ogygia but differs in wing venation patterns and genitalia structure in both male and female butterflies.
    • Species Group Traits: It belongs to the Zographetus satwa species-group, which is known for swollen forewing veins in males as a secondary sexual trait, a distinct basal hair tuft on the underside of the forewing, and yellow-ochre scaling on the hindwing underside.
    [UPSC 2025] Regarding Peacock tarantula (Gooty tarantula), consider the following statements :

    I. It is an omnivorous crustacean.

    II. Its natural habitat in India is only limited to some forest areas.

    III. In its natural habitat, it is an arboreal species.

    Which of the statements given above is/are correct?

    Options: (a) I only   (b) I and III   (c) II only  (d) II and III*

     

  • [15th July 2025] The Hindu Op-ed: Why is corporate investment lagging behind?

    PYQ Relevance:

    [UPSC 2022] “Economic growth in the recent past has been led by increase in labour productivity.” Explain this statement. Suggest the growth pattern that will lead to creation of more jobs without compromising labour productivity.

    Linkage: The article talks about the corporate investment in India has been lagging, with industrial production slowing down. This question touches on the nature of economic growth and job creation, which is directly linked to investment patterns and their ability to generate sufficient employment. 

     

    Mentor’s Comment:  India’s Index of Industrial Production (IIP) growth slowed to a nine-month low of 1.2%, raising concerns over sluggish corporate investment despite tax cuts, public capital expenditure, and monetary easing. This has reignited debate on the causes of low investment, drawing from Marxist economic theories by Luxemburg and Baranovsky, and highlighting the need for demand revival and effective government stimulus to reboot the economy.

    Today’s editorial analyses the slow corporate investment in India. This topic is important for  GS Paper III (Indian Economy) in the UPSC mains exam.

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    Let’s learn!

    Why in the News?

    Recently, India’s industrial output growth dropped to a nine-month low of 1.2%, raising worries about slow corporate investment.

    Why has corporate investment remained low despite tax cuts, capex, and rate cuts?

    • Weak Consumer Demand: Despite tax cuts and improved corporate profits, investment remains low due to insufficient consumer demand in the economy. Eg: Even after the 2019 corporate tax cut (from 30% to 22%), private sector investment in machinery and intellectual property grew only 35% over four years (FY20–FY23), as noted in the 2024-25 Economic Survey.
    • Excess Industrial Capacity: Many industries are operating at suboptimal capacity, making firms hesitant to invest in new production facilities. Eg: With underutilised factories post-COVID, private players see no incentive to expand despite low interest rates and high liquidity.
    • Misreading of Profit-Investment Link: The assumption that higher profits lead to more investment is flawed. As per Michał Kalecki, investment determines profits, not the other way around. Eg: Without a revival in demand, businesses avoid investment regardless of profitability, due to uncertainty about returns.

    About Rosa Luxemburg and Mikhail Tugan-Baranovsky:

    • Rosa Luxemburg (1871–1919): A Polish-German Marxist economist and revolutionary, Luxemburg was known for her critique of capitalist accumulation.
    • Mikhail Tugan-Baranovsky (1865–1919): A Russian economist and early Marxist thinker, Baranovsky challenged traditional Marxist views with his theories on industrial cycles.

    What do Luxembourg and Baranovsky argue about investment in capitalism?

    • Baranovsky’s View – Investment Generates Its Own Market: He argued that in capitalism, investment can sustain itself as long as there is a balanced ratio between the consumption and investment sectors. He believed that machines can produce more machines, and investment can occur even without final consumption demand.
    • Luxemburg’s Counter–Investment Depends on Demand: Luxembourg disagreed, stating that individual capitalists base investment decisions on anticipated demand. If demand is weak and existing capacity underused, capitalists avoid new investments, making demand revival essential for capital accumulation.

    What limits the effectiveness of government capex in crowding in private investment?

    Note: Government capex refers to the expenditure on creating long-term assets such as infrastructure (roads, railways, ports), schools, hospitals, and defence equipment.

    • Gestation lags of infrastructure projects: Large public investments in infrastructure (like ports, highways, railways) take years to become operational. Until completed, they do not immediately enhance productivity or reduce logistics costs, thus delaying private sector response.
    • High import content in capex: A significant portion of government capex may be spent on imported machinery or inputs, which leaks demandout of the domestic economy. This reduces the multiplier effect and fails to generate sufficient local demand for private sector goods and services.
    • Low employment intensity of capex projects: Many infrastructure projects are capital-intensive but not labour-intensive, meaning they create few jobs. This limits income generation and consumer demand, reducing the incentive for private firms to expand production capacity.

    Why is demand revival essential for boosting investment?

    • Drives Capacity Utilisation: When consumer demand rises, existing production units approach their full capacity. This encourages private firms to invest in expanding their capacity to meet growing market needs.
    • Reduces Investment Risk: Strong and predictable demand provides confidence to investors that they will earn returns on capital. Without sufficient demand, firms fear underutilisation of new assets and avoid fresh investments.
    • Stimulates a Virtuous Economic Cycle: Higher demand leads to higher sales, which increases profits, employment, and further consumer spending. This self-reinforcing cycle sustains investment momentum and boosts overall economic growth.

    What is the state’s role?

    • Stimulating Demand through Public Spending: The state plays a counter-cyclical role by increasing government expenditure, especially during economic slowdowns. Eg: Large-scale infrastructure investments in roads, railways, and housing under PM Gati Shakti generate demand, jobs, and confidence in the private sector.
    • Providing Exogenous Stimuli for Investment: The state acts as a catalyst by injecting external demand and resources into the economy when private demand is weak. Eg: PLI (Production-Linked Incentive) schemes offer incentives for capital expenditure in key sectors like electronics and pharma, attracting private investment.
    • Ensuring Access to Affordable Finance: The state, through monetary and fiscal institutions, helps ensure easy credit availability and interest rate stability. Eg: The Reserve Bank of India’s rate cuts and liquidity measures during COVID-19 were aimed at making credit cheaper for industries to invest.

    Way forward: 

    • Focus on Demand Revival: The government must prioritize income support, especially for lower-income households, through targeted welfare schemes and employment guarantees. This will boost consumption, which is essential for stimulating private sector investment.
    • Enhance the Multiplier Effect of Capex: Public capital expenditure should be labour-intensive, locally sourced, and designed to reduce import leakages. This will maximize domestic demand generation and strengthen the crowd-in effect on private investment.