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Type: Prelims Only

  • Minority Issues – SC, ST, Dalits, OBC, Reservations, etc.

    Next Census to conclude by March 2027

    Prelims Only | Indian Society | Mains Paper 1: Population & Associated Issues

    Why in the News?

    The Government of India will conduct its next population census by March 1, 2027, after an unprecedented 16-year gap.

    About the Census of India:

    • Definition: The Census of India is a nationwide decadal exercise that gathers demographic, social, economic, and cultural data from every resident, regardless of citizenship.
    • Authority: It is conducted by the Office of the Registrar General (Ministry of Home Affairs) and Census Commissioner under the Census Act, 1948.
    • Utility: Data from the census is used to formulate policies, redraw electoral boundaries, and implement welfare schemes.

    Significance of the Upcoming Census:

    • Reference Dates: Most of India will use March 1, 2027, while Ladakh, J&K, Himachal Pradesh, and Uttarakhand will use October 1, 2026.
    • Two-Phase Format: It will be conducted in two stages — House Listing and Housing Schedule, followed by Population Enumeration, which will include caste data.
    • Digital Firsts: This will be India’s first digital census, using a mobile app and offering self-enumeration via an online portal (for NPR-updated households).
    • Preparation: The 24 lakh enumeration blocks identified for the 2021 census will be reused.
    • Delimitation Link: The 84th Constitutional Amendment (2001) mandates that delimitation of constituencies be based on the first census after 2026.
    • Women’s Reservation: The 33% women’s reservation law (128th Amendment) also depends on data from this census.
    • New Inclusion: The upcoming census will include caste enumeration, likely as a plain list, without grouping under OBC.
    • NPR Update: No official announcement has been made regarding an update to the National Population Register (NPR), though it holds data for 119 crore residents.

    History of Census in India:

    1. Ancient Mentions: Rig Veda (800–600 BCE) and Arthashastra (321–296 BCE) mentioned population counting for taxation and governance.
    2. Early Colonial Efforts:
      • Partial censuses conducted in Allahabad (1824), Banaras (1827–28), and Dacca (1830).
      • Fort St. George conducted returns in 1836–37; quinquennial returns started in Madras (1851–67).
    3. First Attempted Pan-India Census:
      • 1872: Non-synchronous census; not all British territories covered.
      • 17 questions were asked via a house register.
    4. First Modern Census:
      • 1881: Conducted under W.C. Plowden; considered the first synchronous and scientific census of India.
      • Covered most of British India except Kashmir, French & Portuguese territories.
    5. Subsequent Censuses (1891–1941):
      • Held every 10 years: 1891, 1901, 1911, 1921, 1931, and 1941.
      • Introduced and refined questions on caste, religion, language, literacy, occupation, disability, etc.
    6. 1941 Census:
      • Conducted during World War II under difficult conditions.
      • Introduced sampling, and used individual slips for detailed data.

    Caste Enumeration to Begin:

    • Caste data was last collected in 1931, excluding SC/ST information.
    • Post-1951 Trend: From 1951 to 2011, only Scheduled Castes and Scheduled Tribes data were recorded.
    • SECC 2011: The 2011 Socio-Economic and Caste Census included caste data, but it was never released.
    • Data Entry Field: A new drop box for caste will be added beside the existing SC/ST section.
    [UPSC 2009] Consider the following statements:

    1. Between Census 1951 and Census 2001, the density of the population of India has increased more than three times.

    2. Between Census 1951 and Census 2001, the annual growth rate (exponential) of the population of India has doubled.

    Which of the above statements is/are correct?

    Options: (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2 *

     

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  • Modern Indian History-Events and Personalities

    Integral Humanism: The Philosophy of Deendayal Upadhyay

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

    Why in the News?

    A mainstream political party is celebrating 60 years of Integral Humanism (Ekatm Manav-vad), a political philosophy introduced by Pandit Deendayal Upadhyaya.

    About Deendayal Upadhyaya and His Contributions:

    • Birth and Legacy: Born on September 25, 1916, in Mathura, Uttar Pradesh; his birth anniversary is marked as Antyodaya Diwas since 2014.
    • RSS and BJS Roles: He was a pracharak of Rashtriya Swayamsevak Sangh (RSS) and co-founded the Bharatiya Jana Sangh (BJS).
    • Leadership: Served as President of BJS, laying its ideological foundation.
    • Antyodaya Concept: Coined “Antyodaya”, meaning upliftment of the last person, central to several welfare schemes.
    • Advocated Ideas: Promoted Swadeshi (self-reliance) and decentralization of power for inclusive development.
    • Inspired Schemes:
    • Mysterious Death: Found dead on February 11, 1968, near Mughalsarai railway station, now renamed Deendayal Nagar. The case remains unresolved.

    His Philosophy of Integral Humanism:

    • Introduction: Proposed in 1965 through four lectures in Mumbai, promoting Indian values over foreign ideologies.
    • Core Idea: Aims for holistic development — body, mind, intellect, and soul — grounded in cultural and spiritual ethics.
    • Chiti and Dharma: Defined ‘Chiti’ as the soul of the nation and ‘Dharma’ as the ethical base of national integrity.
    • Six Economic Objectives:
      1. Minimum living standard for all citizens.
      2. Global welfare through Indian values.
      3. Employment for all able-bodied individuals.
      4. No wastage of natural resources.
      5. Promotion of indigenous technology.
      6. Flexible industrial ownership based on practicality.
    • Further Influence: Expanded by Dattopant Thengdi, founder of Bharatiya Mazdoor Sangh (BMS).
    • Intellectual Roots: Drew inspiration from Daishik Shastra (1923), a text respected by Gandhi and Tilak; studied during a visit to Almora in 1958–59.
    [UPSC 2020] One common agreement between Gandhism and Marxism is:

    Options: (a) the final goal of a stateless society * (b) class struggle. (c) abolition of private property. (d) economic determinism.

     

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  • Innovations in Biotechnology and Medical Sciences

    IISc develops Nanozyme to prevent Abnormal Blood Clotting

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

    Why in the News?

    Researchers at the Indian Institute of Science (IISc) have created an artificial metal-based nanozyme that can help prevent dangerous blood clotting, especially in conditions like pulmonary thromboembolism (PTE) and COVID-19.

    What is Blood Clotting?

    • About: When we get a cut or injury, our body quickly stops the bleeding by forming a blood clot. This is done by special blood cells called platelets that stick together and seal the wound.
    • Control mechanism: This natural process is called blood clotting or haemostasis and is controlled by certain chemicals in our body like collagen and thrombin.
    • Post covid issues: But in some illnesses like pulmonary thromboembolism (PTE) or COVID-19, the body sends too many signals to make clots, even when there is no injury.
    • Oxidative Stress: This creates a problem called oxidative stress, where harmful molecules called Reactive Oxygen Species (ROS) build up in the blood. These ROS molecules over-activate the platelets, causing them to make too many clots inside blood vessels.
    • Hazards: This can block blood flow, leading to serious health issues like heart attacks, strokes, or lung problems. This condition is called thrombosis, and it can be life-threatening.

    Vanadium-Based Nanozyme and Its Features:

    • Purpose and Design: Scientists at IISc developed vanadium-based nanozymes to mimic natural antioxidant enzymes that reduce ROS levels.
    • How they work: The nanozymes control oxidative stress by copying glutathione peroxidase, an enzyme that removes ROS and protects platelets.
    • Optimal Structure: Spherical-shaped vanadium pentoxide (V₂O₅) nanozymes were found to be the most effective.
    • Test Results in Mice: These nanozymes reduced blood clots and improved survival in PTE-affected mice with no toxicity signs over five days.
    • Next Steps: Scientists plan to test the nanozyme in ischemic stroke and are optimistic about human clinical trials after promising lab results with human platelets.
    [UPSC 2015] With reference to the use of nano-technology in health sector, consider the following statements:

    1. Targeted drug delivery is made possible by nanotechnology.

    2. Nanotechnology can largely contribute to gene therapy.

    Which of the statements given above is/are correct?

    Options: (a) 1 only  (b) 2 only (c) Both 1 and 2* (d) Neither 1 nor 2

     

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  • Judicial Appointments Conundrum Pre-NJAC Verdict

    Appointment and Removal of High Court Judges

    Prelims Only | Polity | Mains Paper 2: Executive & Judiciary

    Why in the News?

    The Centre will bring a motion of removal against a Judge of the Allahabad High Court and has initiated the process of building an all-party consensus for this action.

    Qualifications of Judges of High Court:

    • Article 217(2) of the Constitution states that a person is qualified if:
      • They have held judicial office in India for at least 10 years, or
      • Have been an advocate in a High Court (or more than one in succession) for at least 10 years.
    • Tenure: As per Article 217(1), a High Court judge holds office till the age of 62 years.
    • Disputes over Age: Under Article 217(3), if a question arises regarding a judge’s age, the President, in consultation with the CJI, makes the final decision.

    Appointment Process of High Court Judges:

    • Constitutional Basis: The Article 217 of the Constitution provides that High Court judges are appointed by the President of India after consultation with the Chief Justice of India (CJI), the Governor of the state, and, in the case of judges (not Chief Justices), the Chief Justice of the High Court concerned.
    • Role of the Collegium System: The Collegium, comprising the CJI and 2 senior-most judges of the Supreme Court, plays a key role in recommending names for appointments. It ensures collaborative decision-making and maintains the independence of the judiciary.
    • Procedure:
      1. The Chief Justice of the High Court initiates the recommendation.
      2. The proposal is forwarded to the Chief Minister, who advises the Governor.
      3. The Governor sends it to the Union Law Minister, who places it before the Prime Minister, and then the President for final approval.
    • Policy for Chief Justices: To prevent local bias, Chief Justices of High Courts are generally appointed from outside the state.
    • Appointments and Transfers: The CJI and senior judges of the Supreme Court also decide on transfers of High Court judges, ensuring judicial autonomy and minimizing executive influence.

    Removal:

    • Process: Judges of the High Court (and Supreme Court) can only be removed through removal, not by executive action.
      • Requires a motion signed by at least 100 Lok Sabha MPs or 50 Rajya Sabha MPs.
      • The motion is examined by a three-member committee.
      • If the committee finds grounds, the motion is debated and must be passed by a two-thirds majority in both Houses of Parliament.
    • Legal Framework: The Judges (Inquiry) Act, 1968 outlines the detailed procedure for investigating and acting upon misconduct by judges.
    • In-House Inquiry Mechanism: For internal disciplinary matters:
      • The CJI may order a preliminary inquiry based on credible complaints.
      • A three-judge panel is constituted if allegations are serious.
      • If the committee confirms misconduct, the CJI may ask the judge to resign.
      • If the judge refuses, the judicial work is withdrawn, and removal may be considered.

    Historical Removal Efforts:

    • No judge has been impeached in India, though attempts have been made, including the failed motions against Justice V Ramaswami (1993) and Justice Soumitra Sen (2011).
    • Justice V Ramaswami (1993): Faced removal for financial misconduct, but the motion failed in the Lok Sabha.
    • Justice Soumitra Sen (2011): Resigned after removal proceedings for misappropriating funds.
    • Justice K Veeraswamy: Chief Justice of Madras HC, investigated for corruption but challenged the investigation. The case remained unresolved until his death in 2010.
    • Justice Shamit Mukherjee (2003), Justice Nirmal Yadav (2008), and Justice SN Shukla (2017): Faced criminal charges for corruption after in-house inquiries found substantial evidence against them.

     

    [UPSC 2007] Consider the following statements:

    1. The mode of removal of a Judge of a High Court in India is the same as that of the removal of a Judge of the Supreme Court. 2. After retirement from office, a permanent Judge of a High Court cannot plead or act in any court or before any authority in India.

    Which of the statements given above is/are correct?

    Options: (a) 1 only*  (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

     

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  • Judicial Reforms

    Making a Law cannot amount to Contempt of Court: Supreme Court

    Prelims OnlySC Judgements | Polity | Mains Paper 2: Seperation Of Power

    Why in the News?

    The Hon’ble Supreme Court has ruled that any law passed by Parliament or a State Legislature cannot be considered an act of contempt of court.

    Supreme Court’s Verdict on the Issue:

    • Context: The Court heard a 2012 contempt plea, alleging that the Chhattisgarh government violated its 2011 ruling against supporting Salwa Judum and arming tribals as SPOs.
    • Disputed Law: Petitioners argued the Chhattisgarh Auxiliary Armed Police Force Act, 2011 violated the earlier ruling.
    • Court’s Clarification: Passing a new law is within the plenary powers of legislatures and cannot be treated as contempt unless declared unconstitutional.
    • Proper Remedy: The correct approach is to challenge the law’s validity, not to file for contempt.
    • Separation of Powers: The Court upheld that legislature can modify or override judgments through new laws, if they respect constitutional boundaries.

    About Contempt of Court:

    • Purpose: Contempt of court refers to actions or behaviors that are disrespectful to, or that obstruct or interfere with, the administration of justice by a court. It protects the authority and dignity of the judiciary from acts that obstruct or interfere with justice.
    • Constitutional Basis:
      • Article 129 allows the Supreme Court to punish for its own contempt.
      • Article 215 grants the same power to High Courts.
      • Article 19(2) permits reasonable speech restrictions for contempt cases.
    • Legal Definition: The Contempt of Courts Act, 1971 defines contempt; the 2006 amendment allows truth and good faith as defences.
    • Types:
      • Civil Contempt is the wilful disobedience of court orders.
      • Criminal Contempt involves actions that scandalise the court, interfere with proceedings, or obstruct justice.
    • Punishment: Offenders may face up to 6 months imprisonment, or a ₹2,000 fine, or both.
    • What Is Not Contempt: Fair reporting and genuine criticism of judgments after disposal are not considered contempt.
    [UPSC 2022] Consider the following statements:

    1. Pursuant to the report of H.N. Sanyal Committee, the Contempt of Courts Act, 1971 was passed.

    2. The Constitution of India empowers the Supreme Court and the High Courts to punish for contempt of themselves.

    3. The Constitution of India defines Civil Contempt and Criminal Contempt.

    4. In India, the Parliament is vested with the powers to make laws on Contempt of Court.

    Which of the statements given above is/are correct?

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

     

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  • Mother and Child Health – Immunization Program, BPBB, PMJSY, PMMSY, etc.

    National Polio Surveillance Network (NPSN)

    Prelims Only | Indian Society | Mains Paper 2: Health & Education

    Why in the News?

    The Indian government has proposed a phased winding down of the National Polio Surveillance Network (NPSN), a WHO-established network critical to tracking and eliminating polio in India.

    About National Polio Surveillance Network (NPSN):

    • Launch : The NPSN was established in 1997 as a collaboration between the World Health Organization (WHO) and the Ministry of Health and Family Welfare (MoHFW), Government of India.
    • Objective: Its main goal is to detect and monitor the poliovirus in India to enable quick response and containment.
    • Operational Structure: The network functions under the National Polio Surveillance Project (NPSP) and includes over 200 field surveillance units across the country.
    • Methodology: The core method is Acute Flaccid Paralysis (AFP) surveillance, which tracks sudden paralysis in children under 15 — a key indicator of polio.
    • Environmental Surveillance: The NPSN also tests sewage and water samples to detect silent circulation of the virus.
    • Laboratory Support: A network of WHO-accredited laboratories confirms virus presence through testing of stool and water samples.
    • Rapid Response: Every suspected case is quickly investigated, and public health teams are deployed for control and containment.
    • Expanded Role: Over time, NPSN has also supported surveillance for measles, rubella, DPT, and helped train health workers on new vaccines.

    Polio and Its Eradication in India:

    • About: Polio is a highly infectious viral disease primarily affecting children under 5, potentially causing paralysis or death.
    • Transmission: The disease spreads via the faecal-oral route, mostly through contaminated water or food.
    • Types of Polioviruses:
      • WPV1 still exists in Pakistan and Afghanistan.
      • WPV2 and WPV3 have been eradicated globally.
    • Infection Mechanism: Once inside the body, the virus multiplies in the intestines and may attack the nervous system, causing permanent paralysis.
    • Prevention through Vaccination:
      • Oral Polio Vaccine (OPV) is given at birth, 6, 10, and 14 weeks, with a booster at 16–24 months.
      • Injectable Polio Vaccine (IPV) is administered with the third DPT dose under the Universal Immunization Programme (UIP).
    • Pulse Polio Campaign (1995): India launched the Pulse Polio Immunization Campaign, providing oral polio drops to all children under 5.
    • Eradication Milestones: The last wild polio case in India was reported in 2011, and in 2014, WHO officially declared India polio-free.
    • Role of NPSN: The success was enabled by strong surveillance, mass immunization, and dedicated work by NPSN and its partners.
    [UPSC 2016] ‘Mission Indradhanush’ launched by the Government of India pertains to:

    (a) Immunization of children and pregnant women*

    (b) Construction of smart cities across the country

    (c) India’s own search for the Earth-like planets in outer space

    (d) New Educational Policy

     

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  • Innovations in Biotechnology and Medical Sciences

    Thermophilic Bacteria in Rajgir Hot Spring could help fight Deadly Infections

    Prelims Only | Science Tech | Mains Paper 3: Conservation, Environmental Pollution & Degradation, Eia

    Why in the News?

    Researchers from the Vellore Institute of Technology (VIT) have discovered antibiotic-producing bacteria in the Rajgir hot spring in Nalanda, Bihar.

    What are Thermophilic Bacteria?

    • About: Thermophilic bacteria, or thermophiles (meaning “heat lovers”), are microorganisms that thrive in high-temperature environments ranging from 45°C to 70°C.
    • Adaptation: These temperatures can cause third-degree burns in humans, but thermophiles are biologically adapted to survive and grow in such conditions.
    • Habitats: They are commonly found in hot springs, deep-sea hydrothermal vents, and compost piles, which are mineral-rich and have low microbial competition.
    • Advantages: Some thermophiles produce potent antibiotics to outcompete other microbes and dominate their niche.
    • Global Example: Thermophiles from hot springs in Saudi Arabia have shown antibacterial activity against gram-positive pathogens.

    Key Findings from India:

    • Sampling Challenge: Samples were collected from water and soil at 43°C–45°C, making fieldwork difficult.
    • Microbial Analysis: In the sample, Actinobacteria made up 40–43% of the microbial population, double the typical amount in hot springs.
    • Significance: Actinobacteria are well known for producing key antibiotics like streptomycin and tetracycline.
    • AMR Context: The findings are crucial in the fight against antimicrobial resistance (AMR), which could cost $1 trillion globally by 2050, according to the WHO.
    • Antibiotic Potential:
      • Lab Testing: Seven Actinobacteria strains were found to inhibit pathogens such as E. coli, Salmonella, Klebsiella, Pseudomonas, and Staphylococcus aureus.
      • Compound Discovery: Scientists identified diethyl phthalate using GC-MS, which showed effectiveness against Listeria monocytogenes, a deadly foodborne pathogen.
      • Future Scope: The compound has potential for antibiotic development, but not all thermophiles produce antibiotics, so screening is essential.
    • Uses:
      • Industrial Use: The enzyme Taq polymerase, used in PCR tests (including during COVID-19), is derived from a thermophile called Thermus aquaticus.
      • Agricultural Use: A 2018 BHU study showed thermophiles from Chumathang hot springs (Leh) promote plant growth, revealing wider industrial and ecological value.
    [UPSC 2023] Consider the following statements:

    1. Some microorganisms can grow in environments with temperature above the boiling point of water.

    2. Some microorganisms can grow in environments with temperature below the freezing point of water.

    3. Some microorganisms can grow in highly acidic environment with a pH below 3. How many of the above statements are correct?

    Options: (a) Only one (b) Only two (c) Only three* (d) All four

     

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  • Air Pollution

    Expert Committee recommends ending mandatory Flue Gas Desulphurisation (FGD) 

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

    Why in the News?

    A high-powered committee chaired by Principal Scientific Advisor (PSA) Ajay Sood has proposed that India should discontinue the mandatory use of Flue Gas Desulphurisation (FGD) units in most coal-fired Thermal Power Plants (TPPs).

    Why mandatory FGDs are opposed?

    • Low SO₂ Levels: India’s SO₂ levels (10–20 µg/m³) are already below the permissible limit of 80 µg/m³.
    • Low Sulphur Coal: Indian coal naturally has low sulphur content.
    • Minimal Impact: Studies show no major air quality difference between plants with and without FGDs.
    • Limited PM Reduction: FGDs have minimal effect on particulate matter levels.
    • Environmental Trade-Offs:
      • CO₂ Increase: Installing FGDs would add 69 million tonnes of CO₂ emissions (2025–2030).
      • SO₂ Reduction: Emissions would fall by 17 million tonnes, but the climate cost outweighs the benefit.

    About Flue Gas Desulphurisation (FGD):

    • Purpose: FGD is a technology used to remove sulphur dioxide (SO₂) from flue gases produced by burning coal and oil, especially in thermal power plants.
    • Environmental Benefit: It helps prevent acid rain, which harms crops, buildings, soils, and aquatic ecosystems.
    • Chemicals Used: Common absorbents include limestone (CaCO₃), lime (CaO), and ammonia (NH₃).
    • Types of Systems:
      1. Dry Sorbent Injection: Cost-effective, but less efficient.
      2. Wet Limestone-Based: Effective and used in large plants, produces gypsum.
      3. Seawater-Based: Uses alkaline seawater, ideal for coastal areas.

    FGD Mandate in India:

    • Current Status: FGD units are being installed in 537 coal-based thermal power units, but 92% of India’s 600 plants still lack them.
    • Committee Recommendation: An expert panel advised exempting 80% of plants from FGD requirements due to feasibility issues.
    • Implementation Barriers: Limited vendors available; High costs and risk of increased electricity tariffs.
    [UPSC 2023] Consider the following:

    1. Carbon monoxide 2. Nitrogen oxide 3. Ozone 4. Sulphur dioxide Excess of which of the above in the environment is/are cause(s) of acid rain?

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

     

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  • Wildlife Conservation Efforts

    PM to launch Aravalli Green Wall Project

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

    Why in the News?

    On June 5, World Environment Day, Prime Minister Narendra Modi is expected to launch the Aravalli Green Wall Project.

    PM to launch Aravalli Green Wall Project

    About the Aravallis:

    • Geology: The Aravalli Range is one of the oldest fold mountain ranges in the world, formed during the Proterozoic era.
    • Spread: It stretches for about 692 km, from Gujarat to Delhi, passing through Rajasthan and Haryana.
    • State-Wise Coverage: Around 80% of the range lies in Rajasthan, with the rest spread across Haryana, Delhi, and Gujarat.
    • Highest Peak: The tallest point is Guru Shikhar in Mount Abu, Rajasthan, with an elevation of 1,722 meters.
    • Natural Barrier Function: Acts as a green wall, preventing the spread of the Thar Desert into eastern Rajasthan and the Gangetic plains.
    • River Origins: Important rivers such as the Banas, Sahibi and Luni originate from the Aravallis.
    • Minerals: Rich in minerals like copper, zinc, lead, and marble.
    • Biodiversity: Home to 300+ bird species and key wildlife such as leopards, hyenas, jackals, wolves, civets, and Nilgai.
    • Prehistoric Significance: Contains cave art and tools from the Lower Palaeolithic period.

    What is the Aravalli Green Wall Project?

    • Project Goal: To build a green corridor from Delhi to Gujarat combating desertification and ecological degradation.
    • States Involved: Includes Delhi, Rajasthan, Haryana, and Gujarat, focusing on restoring degraded landscapes.
    • Vegetation Strategy: Focus on removing Prosopis juliflora (invasive species) and planting native trees like:
      • Khair (Indian Gum Arabic)
      • Ronjh (White-barked Acacia)
      • Dhau (Axlewood)
      • Salai (Indian Frankincense)
      • Pilkhan, Neem, Amaltas, Goolar, Peepal
    • Buffer Zone Creation: A 6.45 million hectare buffer zone will be established around the Aravallis.
    • Phase 1 Focus:
      • Delhi: 3,010 ha in South Delhi
      • Haryana: 25,000 ha in Gurugram, Faridabad, Mahendragarh
    • Global Commitments supported:
      • Paris Agreement: Target to create 2.5–3 billion tonnes CO₂ sink
      • Bonn Challenge: Restore 26 million hectares of land by 2030
    [UPSC 2001] The approximate age of the Aravallis range is.

    Options: (a) 370 million years (b) 470 million years (c) 570 million years* (d) 670 million years

     

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  • Promoting Science and Technology – Missions,Policies & Schemes

    ‘Bharat Gen’ AI-based multimodal LLM for Indian languages launched

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

    Why in the News?

    Union Minister of State for Science & Technology has launched ‘Bharat Gen’, India’s first indigenously developed AI-based Large Language Model (LLM) tailored for Indian languages.

    About Bharat Gen:

    • What is it: Bharat Gen is India’s first homegrown AI-based multimodal large language model (LLM) supporting 22 Indian languages.
    • Developed By: Created under the National Mission on Interdisciplinary Cyber-Physical Systems (NM-ICPS) and implemented by the TIH Foundation for IoT and IoE at IIT Bombay.
    • Key Features:
      • Understands text, speech, and image inputs.
      • Works across India’s diverse languages and cultures.
      • Designed to be ethical, inclusive, and culturally rooted.
    • Support and Collaboration: Backed by the Department of Science and Technology (DST) and developed in collaboration with top academic and AI institutions.
    • Bharat Data Sagar: A national effort to collect language data for lesser-known Indian languages to train future AI tools.
    • Real-World Use: In places like Udhampur, an AI doctor powered by Bharat Gen is helping patients in their native language.

    What are Large Language Models (LLMs)?

    • LLMs are computer programs that can read, understand, and write language like humans. They can answer questions, explain topics, write stories, translate languages, and more.
    • Why are they called “large”?
      • They are trained using a huge amount of text from books, websites, newspapers, etc.
      • They also have billions of settings (called parameters) that help them understand words and sentences better.
    • How do they work?
      • LLMs break your sentence into small parts (called tokens).
      • They guess the next word in the sentence, one by one, using what they’ve learned.
      • This is how they create full and meaningful answers.
    • How are they trained?
      1. Step 1 – Pre-training: The LLM reads lots of text and learns how language works.
      2. Step 2 – Fine-tuning: It is then taught how to do specific tasks like summarising or translating.
      3. Step 3 – Human Help: People check the answers and give feedback, so the LLM learns to give better responses.
    • How do LLMs understand language so well? They use a special model called a transformer, which has tools to:
      • Focus on important words in a sentence (self-attention).
      • Understand the order of words (positional encoding).
      • Learn patterns and meaning using neural networks (like a brain made of computer code).

     

    [UPSC 2020] With the present state of development, Artificial Intelligence can effectively do which of the following?

    (1) Bring down electricity consumption in industrial units (2) Create meaningful short stories and songs (3) Disease diagnosis (4) Text-to-Speech Conversion (5) Wireless transmission of electrical energy Select the correct answer using the code given below:

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

     

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