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GS Paper: GS3

  • How Locusts form massive Swarms?

    Why in the News?

    A recent study by the Max Planck Institute of Animal Behavior suggests that locusts do not behave like gas particles but instead make cognitive decisions based on their perception of nearby motion.

    Locust

    About Locust Swarms  

    • Locusts are large grasshoppers capable of forming massive swarms, consuming up to their body weight in food daily, and traveling 150 km/day with favourable winds.
    • They are highly destructive, stripping crops and threatening food security. A single swarm can consume food equivalent to the daily needs of 35,000 people.
    • In India, Locust Control and Research (LC&R) oversees locust management.
    • The Locust Warning Organisation (LWO), established in 1939, monitors and controls locust activity in states like Rajasthan, Gujarat, Punjab, and Haryana.
    • The 2019-2022 desert locust outbreak was one of the worst in decades, devastating India, Pakistan, and East Africa, destroying over 200,000 hectares of crops.
    • Despite existing control measures, locust outbreaks remain difficult to manage due to their rapid breeding capabilities.

    Key Highlights of New Research:

    • Traditional models assumed locusts moved collectively by aligning with neighbours.
    • However Max Planck Institute reveals that locusts make cognitive decisions based on visual cues.
    • The study introduced a new mathematical model using neural ring attractor networks, showing that locusts decide on movement based on multiple visual cues, leading to coordinated swarms through decentralised decision-making.
    • This understanding provides a more accurate model for predicting locust swarm behaviour, crucial for early intervention.
    [UPSC 2023] Which of the following organisms perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food?

    Options: (a) Butterflies (b) Dragonflies (c) Honeybees* (d) Wasps

     

  • Greenhouse Gases Emissions Intensity (GEI) Targets

    Why in the News?

    The Environment Ministry has released the Draft Greenhouse Gas Emissions Intensity (GEI) Target Rules, 2025, as part of the government’s efforts to reduce greenhouse gas emissions (GHGs) from energy-intensive sectors.

    About Greenhouse Gases Emissions Intensity (GEI):

    • GHGs trap heat in the Earth’s atmosphere, contributing to global warming.
    • Major GHGs include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and synthetic fluorinated gases (CFCs, HCFCs).
    • GEI measures the amount of GHGs emitted per unit of output (e.g., per tonne of product like cement or aluminium).
    • It uses tCO2e (tonnes of CO2 equivalent) to account for the impact of all GHGs.
    • Reducing GEI is vital to mitigate climate change, promoting the use of cleaner technologies in industries to lower environmental footprints.

    Key Provisions of Draft GEI Target Rules, 2025:

    • Target Setting for Industries: Specific emission intensity reduction targets are set for energy-intensive sectors like aluminium, cement, and pulp and paper, for the periods 2025-26 and 2026-27.
    • Baseline Emissions & Gradual Reduction: Baseline GHG emissions for 2023-24 are established, with targets for gradual reduction over time.
    • Carbon Credit Trading Scheme (CCTS): Industries meeting GEI targets will earn carbon credits that can be traded on India’s carbon market. Those failing to meet targets will need to buy credits or face penalties.
    • Sector-Specific Applicability: Targets apply to 13 aluminium plants, 186 cement plants, 53 pulp and paper plants, and 30 chlor-alkali plants.
    • Penalties & Incentives: Non-compliant industries must buy carbon credits or face penalties. The rules encourage clean technologies, like using biomass instead of coal in production.
    • Alignment with Paris Agreement: The rules support India’s climate commitments, aiming for a 45% reduction in emissions intensity of GDP by 2030 compared to 2005 levels.
    • Monitoring & Compliance: The Bureau of Energy Efficiency (BEE) will oversee the carbon credit market, ensuring compliance through regular progress reports from industries.
    [UPSC 2022] Climate Action Tracker’ which monitors the emission reduction pledges of different countries is a:

    Options: (a) Database is created by coalition of research organisations* (b) Wing of “International Panel of Climate Change” (c) Committee under “United Nations Framework Convention on Climate Change” (d) Agency promoted and financed by United Nations Environment Programme and World Bank

     

  • CSR Spending in India

    Why in the News?

    In 2023-24, India’s listed companies spent Rs 17,967 crore on Corporate Social Responsibility (CSR), 16% higher than Rs 15,524 crore in 2022-23.

    As per the PRIME Database report, this increase was due to an 18% rise in the companies’ net profits.

    CSR Spending in India

    About Corporate Social Responsibility (CSR) and Obligations Under It

    • CSR is a self-regulating business model through which companies become socially accountable to themselves, stakeholders, and the public.
    • It includes initiatives that assess and take responsibility for the company’s social and environmental impact.
    • India is the first country to mandate CSR spending w.e.f. April 1, 2014, through Section 135 of the Companies Act, 2013.
    • It provides a structured framework for CSR activities.
    • CSR provisions apply to companies that, in the preceding financial year, have:
      • Net worth ≥ ₹500 crore, or
      • Turnover ≥ ₹1,000 crore, or
      • Net profit ≥ ₹5 crore
    • CSR Spending Obligation:
      • Companies must spend at least 2% of their average net profits of the last 3 financial years on CSR.
      • Newly incorporated companies should calculate it based on profits of previous years.
    • Eligible CSR Activities:
      1. Eradicating hunger and poverty
      2. Promoting education, gender equality
      3. Combating diseases (e.g., HIV/AIDS)
      4. Environmental sustainability
      5. Contributions to relief funds (e.g., PM CARES, PM Relief Fund)
      6. Welfare of disadvantaged groups
    • If CSR spend > ₹50 lakh, companies must constitute a CSR committee with at least three board members, one being independent.
    [UPSC 2024] Consider the following statements with reference to Corporate Social Responsibility (CSR) rules in India:

    1. CSR rules specify that expenditures that benefit the company directly or its employees will not be considered as CSR activities.

    2. CSR rules do not specify minimum spending on CSR activities.

    Which of the statements given above is/are correct?

    Options: (a) 1 only* (b) 2 only (c) Both 1 and 2 (d) Neither 1 or 2

     

  • Bio-Input Resource Centres (BRCs) to Promote Natural Farming

    Why in the News?

    The Union Ministry of Agriculture and Farmers’ Welfare has come up with the guidelines for setting up of bio-input resource centres (BRC) under the National Mission on Natural Farming (NMNF).

    What are Bio-Input Resource Centres (BRCs)?

    • BRCs are part of the National Mission on Natural Farming (NMNF), aimed at promoting chemical-free and sustainable agriculture.
    • BRCs will produce, store, and supply bio-inputs like Jeevamrit, Beejamrit, and Neemastra using local livestock by-products and plant-based materials.
    • Key Functions:
      1. Local Production: Ensures availability of bio-fertilizers and bio-pesticides, reducing dependency on synthetic inputs.
      2. Training: Provides training on bio-input preparation and natural farming techniques.
      3. Entrepreneurship: Promotes local entrepreneurship, empowering self-help groups (SHGs) and farmers.
      4. Affordability: Aims to make sustainable farming practices accessible to small and marginal farmers.
    • Financial support of Rs 1 lakh per BRC are provided in two tranches of Rs 50,000, though experts raise concerns about its adequacy for infrastructure.

    Back2Basics: National Mission on Natural Farming (NMNF):

    • NMNF is a Centrally Sponsored Scheme was launched on November 2024 under the Ministry of Agriculture & Farmers’ Welfare, promoting chemical-free farming.
    • Objectives:
      • Focus on eco-friendly practices and organic methods.
      • Reduce input costs by minimizing chemical usage.
      • Restore soil health, promote biodiversity, and improve climate resilience.
    • Implementation Strategy:
      • Establish 15,000 clusters across Gram Panchayats.
      • Train 1 crore farmers and implement practices on 7.5 lakh hectares.
      • Establish 10,000 BRCs for bio-input accessibility.
      • Deploy 30,000 Krishi Sakhis for mobilization.
    • Financial Outlay: ₹2,481 crore until 2025-26.
    [UPSC 2021] How is permaculture farming different from conventional chemical farming?

    1.Permaculture farming discourages monocultural practices, but in conventional chemical farming, monoculture practices are predominant. 2.Conventional chemical farming can cause an increase in soil salinity, but this phenomenon is not observed in permaculture farming. 3.Conventional chemical farming is easily possible in semi-arid regions, but permaculture farming is not so easily possible in such regions. 4.The practice of mulching is very important in permaculture farming but not necessarily so in conventional chemical farming.

    Select the correct answer using the code given below:

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

     

  • [pib] River Cities Alliance (RCA)

    Why in the News?

    The National Mission for Clean Ganga (NMCG) has approved an annual master plan for the River Cities Alliance (RCA), aimed at scaling up sustainable urban river rejuvenation.

    What is the River Cities Alliance (RCA)?

    • The RCA launched in 2021, promotes sustainable urban river management across India.
    • It is a joint initiative by the Ministry of Jal Shakti and the Ministry of Housing and Urban Affairs to integrate river-sensitive urban planning within cities.
    • It aims to strengthen institutional capacities, foster collaboration, and support the creation of Urban River Management Plans (URMPs).
    • As of 2025, 145 cities are part of the alliance, sharing best practices for river conservation.
    • Key activities include promoting river-sensitive planning, peer-to-peer learning, and training for urban local bodies (ULBs).

    About National Mission for Clean Ganga (NMCG):

    • The NMCG is a flagship initiative to rejuvenate the Ganga River through pollution abatement, ecological restoration, and community involvement.
    • Established in 2011, it implements the Namami Gange Program.
    • It was launched with a ₹20,000 crore budget, covering over 288 projects.
    • It focuses on pollution abatement and maintaining the ecological flow of the Ganga.
    • It operates under a five-tier framework, including the National Ganga Council and state/district committees.
    • Key Initiatives: Includes sewage treatment, riverfront development, real-time monitoring, and public awareness campaigns.
    • It also addresses floods, droughts, and waterlogging in the Ganga basin.
    [UPSC 2021] Which of the following are the key features of ‘National Ganga River Basin Authority (NGRBA)?

    1. River basin is the unit of planning and management.

    2. It spearheads the river conservation efforts at the national level.

    3. One of the Chief Ministers of the States through which the Ganga flows becomes the Chairman of NGRBA on rotation basis.

    Select the correct answer using the code given below.

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

     

  • Sariska TR’s Critical Tiger Habitat to grow by 4.5k Hectares

    Why in the News?

    The Critical Tiger Habitat (CTH) of Sariska Tiger Reserve (STR) in Rajasthan is set to expand by approximately 4,500 hectares.

    What is Critical Tiger Habitat (CTH)?

    • CTHs are designated under the Wildlife Protection Act (WLPA), 1972, to conserve tiger populations, keeping areas inviolate for tiger conservation.
    • The core areas of tiger reserves, where human activities are prohibited, serve as Critical Tiger Habitats.
    • Surrounding buffer zones allow sustainable human activities like eco-tourism and regulated resource use, supporting conservation efforts.
    • These areas are scientifically identified based on studies of tiger movement, breeding patterns, and environmental needs, ensuring long-term survival and ecological balance.
    • Scheduled Tribes and other forest dwellers’ rights are respected within the legal framework, making conservation inclusive.
    • The largest critical tiger habitat in India is the Nagarjunasagar-Srisailam Tiger Reserve (NSTR) spanning 5937 square kilometers.

    About Sariska Tiger Reserve (STR):

    • STR is located in Alwar district, Rajasthan, about 107 km from Jaipur, and is one of India’s most important tiger reserves.
    • Initially a royal hunting preserve, it became a sanctuary in 1955 and upgraded to a national park in 1979.
    • STR was one of the first tiger reserves under the Project Tiger initiative.
    • In 2008, after the tiger population was wiped out due to poaching and human encroachment, tigers were successfully relocated to the reserve, marking a world-first for tiger reintroduction.
    • Flora: STR has semi-deciduous forests, grasslands, rocky landscapes, and cliffs. The park is primarily dominated by dhok trees, covering around 90% of the area, alongside other species like salar, kadaya, and gol trees.
    • Fauna: The reserve is home to species like tigers, leopards, sambhar deer, nilgai, wild boars, rhesus macaques, and hyenas.
    • Ruparel River flows through STR, contributing to its ecological richness by supporting wildlife and plant species.
    [UPSC 2020] Among the following Tiger Reserves, which one has the largest area under “Critical Tiger Habitat”?

    Options: (a) Corbett (b) Ranthambore (c) Nagarjunsagar-Srisailam* (d) Sunderbans

     

  • RBI Launches ‘.bank.in’ Domain to Combat Digital Payment Frauds

    Why in the News?

    To tackle the increasing number of digital payment frauds, the Reserve Bank of India (RBI) has introduced the exclusive ‘.bank.in’ domain for Indian banks.

    About the ‘.bank.in’ Domain

    • The ‘.bank.in’ domain was introduced in February 2025 to provide Indian banks with a unique online address, reducing the risk of fraudulent websites mimicking bank domains.
    • It will be operationalised by the Institute for Development and Research in Banking Technology (IDRBT), under National Internet Exchange of India (NIXI) oversight.
    • The ‘.in’ Code Top-Level Domain (ccTLD) is India’s national identifier on the internet.
    • This domain adds an extra layer of trust, distinguishing legitimate banks from fraudulent entities.
    • The IDRBT, operating under MeitY, has been authorised as the exclusive registrar for this domain.
    • All banks in India must transition to this by October 31, 2025, with both old and new domains likely in use during the transition period.
    [UPSC 2019] Consider the following statements: The Reserve Bank of India’s recent directives relating to ‘Storage of Payment System Data’, popularly known as data diktat, command the payment system providers that

    1. they shall ensure that entire data relating to payment systems operated by them are stored in a system only in India

    2. they shall ensure that the systems are owned and operated by public sector enterprises

    3. they shall submit the consolidated system audit report to the Comptroller and Auditor General of India by the end of the calendar

    Which of the statements given above is/are correct?

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

     

  • Similipal to be 107th National Park of India

    Why in the News?

    The Odisha government has notified Similipal Tiger Reserve (STR) as a national park, covering 845.70 sq/km. It is the 107th national park and the second in eastern Odisha, following Bhitarkanika.

    Similipal to be 107th National Park of India

    About Similipal National Park:

    • Situated in the Mayurbhanj district of northern Odisha, Similipal is surrounded by high plateaus and hills.
    • It includes the Khairiburu and Meghashini peaks, rising to 1,515 meters above sea level.
    • The park has a diverse terrain with hills, open grasslands, and wooded areas, supporting various species.
    • Flora: The park is home to 1,078 plant species, including 94 species of orchids, with Sal trees dominating the forests.
    • Fauna: It boasts diverse wildlife, including leopards, gaurs, elephants, sloth bears, and pangolins. Similipal also supports migratory birds like Bar-headed geese and Brahmini ducks.
    • Several indigenous tribes inhabit the region, such as Kolha, Santhala, Bhumija, and Khadia.
    • Similipal was declared a Tiger Reserve in 1956, included under Project Tiger in 1973, and became a Biosphere Reserve in 2009.

    Melanistic Tigers of Similipal:

    • Similipal is home to the world’s only wild population of pseudo-melanistic tigers, with 13 known to inhabit the area.
    • These tigers have a distinct appearance due to higher melanin levels, causing a unique, black-striped coat.
    • The mutation in the Taqpep gene makes these tigers pseudo-melanistic.
    [UPSC 2012] Consider the following protected areas; 1. Bandipur 2. Bhitarkanika 3. Manas 4. Sundarbans

    Which of the above are declared Tiger Reserves?

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

     

  • New RNA-Based Approach to Combat Plant Viruses

    Why in the News?

    Recently, a team of scientists from Germany reported a breakthrough in combating the cucumber mosaic virus (CMV) through an innovative RNA-based antiviral agent.

    About Cucumber Mosaic Virus (CMV):

    • CMV is one of the most widespread and destructive plant viruses, affecting over 1,200 plant species, including important food crops such as cucumbers, melons, and cereals.
    • The virus is transmitted by aphids, tiny insects that spread the virus as they feed on plants, making outbreaks difficult to control.
    • In India, CMV causes significant yield losses in crops like bananas, pumpkins, and cucumbers, leading to mosaic discoloration, stunted growth, and unviable fruits.
    • The economic impact of CMV includes both direct financial losses from reduced crop yields and the indirect costs of pest management.

    RNA Silencing Methods discussed (HIGS vs SIGS): 

    RNA silencing is a natural defense mechanism that plants use to protect themselves from viral infections.

    Two RNA-based technologies, Host-Induced Gene Silencing (HIGS) and Spray-Induced Gene Silencing (SIGS), have been developed to enhance plant immunity against diseases like CMV.

    [1] Host-Induced Gene Silencing (HIGS):

    • HIGS involves genetically modifying plants to produce dsRNA, which activates the plant’s immune system to fight off the virus.
    • This method provides continuous protection and long-term immunity throughout the plant’s lifecycle.
    • However, it faces challenges such as regulatory issues, high production costs, and the potential for viruses to evolve resistance over time.

    [2] Spray-Induced Gene Silencing (SIGS):

    • SIGS, unlike HIGS, does not require genetic modification. Instead, plants are treated with RNA sprays containing dsRNA that targets specific viruses.
    • This method is cost-effective, non-GMO, and can be applied to a variety of crops.
    • However, SIGS provides short-term protection, may be ineffective due to random RNA mixtures, and its effectiveness can be reduced by environmental factors such as sunlight, rain, and soil microbes.
    [UPSC 2019] RNA interference (RNAi)’ technology has gained popularity in the last few years. Why?

    1. It is used in developing gene silencing therapies.

    2. It can be used in developing therapies for-the treatment of cancer.

    3. It can be used to develop hormone replacement therapies.

    4. It can be used to produce crop plants that are resistant to viral pathogens.

    Select the correct answer using the code given below:

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

     

  • A chance for India’s creative ecosystem to make waves

    Why in the News?

    Despite global trade challenges and stock market fluctuations, India remains a strong and resilient economy. By using its young population and technological strengths, India has the potential to turn difficulties into opportunities. With its rich tradition of storytelling, India’s Media & Entertainment (M&E) sector aims to connect creators around the world through the vision of ‘Create in India, Create for the World.’

    What is the vision behind India’s Media & Entertainment (M&E) sector as outlined in the WAVES 2025 initiative?

    • Global Creative Leadership: India aims to emerge as a ‘Creative Powerhouse’, encouraging the creation of world-class content that resonates globally through the ‘Create in India, Create for the World’ vision. Eg: Namit Malhotra’s DNEG delivered Oscar-winning VFX for Dune 2, showcasing India’s global capability.
    • Fostering Innovation and Startups: The vision promotes a vibrant M&E startup ecosystem through WAVEX—offering funding, mentorship, and exposure in areas like gaming, AR/VR, animation, and AI. Eg: WAVEX supports startups like Erucanavis Technologies (AI-driven ads) and Amaze Studios (VR storytelling).
    • Cultural and Technological Synergy: It seeks to blend India’s rich cultural heritage with digital innovation, empowering young creators and expanding India’s influence in entertainment, education, and digital media. Eg: InscapeXR uses immersive media to transform learning experiences through storytelling.

    Who are some notable contributors and startups exemplifying India’s growing influence in the global creative industry?

    • DNEG (Namit Malhotra): India’s presence in high-end global cinema has grown significantly. Eg: DNEG, led by Namit Malhotra, delivered Oscar-winning VFX for Dune 2, showcasing India’s prowess in visual effects and animation.
    • Erucanavis Technologies: Innovation in ad-tech is pushing the boundaries of user interaction. Eg: Erucanavis is developing AI-driven playable ads, transforming digital advertising formats globally.
    • Lapwing Studios: Women-led creative startups are gaining recognition and scale. Eg: Lapwing Studios is supported under WAVEX, promoting inclusivity in India’s Media & Entertainment sector.
    • Amaze Studios: New-age storytelling formats are reshaping viewer experiences. Eg: Amaze Studios focuses on immersive storytelling through VR and animation, enhancing narrative depth.
    • InscapeXR: Ed-tech is merging with creative media to revolutionize learning. Eg: InscapeXR uses extended reality (XR) to create immersive educational content, blending creativity with pedagogy.

    How does WAVEX aim to support and scale startups in India’s creative economy?

    • Mentorship: WAVEX connects startups with industry leaders for strategic guidance and capacity building Eg: Startups like Vygr Media gain mentorship on scaling content for global audiences.
    • Funding Access: It facilitates financial support to overcome capital barriers for creative ventures. Eg: Women-led startups such as Lapwing Studios receive funding through WAVEX platforms.
    • Global Exposure: WAVEX offers international visibility and networking with global investors and buyers. Eg: Over 5,900 buyers at the WAVES Bazaar help startups like Amaze Studios find global partners.
    • Tech Integration: It supports innovation in tech-driven media fields like AR/VR, AI, and the metaverse. Eg: Erucanavis Technologies is leveraging WAVEX support to expand AI-based playable ads.
    • Inclusive Ecosystem: WAVEX promotes diversity by uplifting women-led and regional startups in M&E. Eg: Initiatives like Vision Impact promote inclusive ed-tech innovation through immersive storytelling.

    Why is India uniquely positioned to become a global creative powerhouse?

    • Demographic Dividend: India has a large, young population that fuels creativity and innovation across media sectors. Eg: WAVEX connects this youthful energy with global platforms to scale creative startups.
    • Technological Capability: India has strong digital infrastructure and IT expertise that power cutting-edge content creation. Eg: DNEG, led by Namit Malhotra, delivered Oscar-winning VFX in Dune 2, showcasing India’s tech strength.
    • Cultural Heritage: A rich legacy of storytelling, arts, and performance adds depth to creative expression. Eg: From classical dance to comics, Indian creators blend tradition with modern formats.
    • Government Support: Policy initiatives like WAVES 2025 foster a robust startup ecosystem for M&E. Eg: WAVEX provides funding, mentorship, and exposure to startups in AR/VR and AI-driven media.
    • Global Vision: India is aiming to create content not just for domestic audiences, but for the world. Eg: The ‘Create in India, Create for the World’ initiative positions India as a content export hub.

    What are the challenges? 

    • Access to Capital and Funding: Many startups in India’s creative sector face difficulty in securing adequate funding and investment. Despite government support through initiatives like Start-up India, access to venture capital and global investors remains a challenge for emerging companies. Eg: Small animation studios or VR companies, such as Amaze Studios, often struggle to scale due to limited financial resources.
    • Infrastructure Gaps: While the government has made significant strides in developing digital infrastructure, there are still gaps in areas like high-quality production facilities, broadband connectivity, and tech training centers. Smaller cities and rural areas, in particular, face challenges in accessing the necessary resources to contribute to the global creative industry. Eg: The lack of advanced digital infrastructure in tier-2 cities restricts the growth of tech-driven creative startups.

    Way forward: 

    • Enhanced Funding Support and Investment Channels: Strengthen access to venture capital and government-backed funding, especially for emerging creative startups, through dedicated investment platforms and incentives. Eg: Expanding initiatives like Start-up India to include sector-specific funding for M&E startups in animation, AR/VR, and AI.
    • Improved Infrastructure and Regional Connectivity: Invest in high-quality production facilities, fast-track broadband connectivity, and tech training programs across tier-2 cities and rural areas to bridge the infrastructure gap. Eg: Setting up regional M&E hubs outside major cities to create localized opportunities for tech-driven creative startups.

    Mains PYQ:

    [UPSC 2023] What is the status of digitalization in the Indian economy? Examine the problems faced in this regard and suggest improvements.

    Linkage: The “A chance for India’s creative ecosystem to make waves” text highlights the shift from traditional film-making to digital production and the role of technology like AI and VR/AR in the M&E sector. This PYQ on digitalisation is relevant as the growth of the creative ecosystem is heavily reliant on digital infrastructure and technologies.