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Distribution: yearly

  • India rolls over $50M Treasury Bill to help Maldives

    Why in the News?

    India extended critical financial assistance to the Maldives by rolling over a $50 million Treasury Bill, continuing its support under a government-to-government arrangement since 2019.

    About Treasury Bill:

    • A T-Bill is a short-term debt instrument issued by the GoI through the Reserve Bank of India (RBI).
    • They are part of Government Securities (G-Secs) and are used to raise short-term funds.
    • They are zero-coupon securities, meaning they do not carry periodic interest payments.
    • Instead, they are issued at a discount and redeemed at face value upon maturity.
    • They were first introduced in India in 1917.
    • They are ideal for investors seeking safety and liquidity over short periods.

    Features of the T-Bills:

    • Tenures Available: 91-day, 182-day, and 364-day maturity periods.
    • Issued at a Discount: T-Bills are sold at a lower price than their face value. The return (yield) is the difference between purchase price and face value.
    • Minimum Investment: Starts at ₹25,000, and in multiples of ₹25,000 thereafter.
    • Zero-Coupon Nature: No interest payments during the tenure. Investors earn via the discounted purchase price.
    • Risk-Free Investment: Backed by the Government of India, making it virtually risk-free.
    • High Liquidity: Due to short tenure, T-Bills can be easily converted to cash.
    • Auction Mechanism: Sold through competitive and non-competitive bidding at RBI auctions.
    • Taxable Gains: Returns are treated as short-term capital gains and are taxable.
    • Sensitive to Inflation: Fixed returns can be impacted by rising inflation, reducing real returns.
    [UPSC 2018] Consider the following statements:

    1.The Reserve Bank of India manages and services GoI Securities but not any State Government Securities.

    2.Treasury bills are issued by the GoI and there are no treasury bills issued by the State Governments.

    3.Treasury bills offer are issued at a discount from the par value.

    Which of the statements given above is/are correct?

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

     

  • Explained: Why farmers prefer growing rice and wheat

    Why in the News?

    The combination of assured government support and scientific advancements in breeding technologies has made rice and wheat the most preferred crops among Indian farmers, while other crops lag due to lack of similar incentives and innovations.

    Why do farmers prefer rice and wheat?

    • Assured Procurement at MSP: The government provides near-guaranteed purchases of rice and wheat at Minimum Support Prices (MSP), reducing market risk. Eg: In Punjab, rice area increased from 29.8 lakh hectares in 2015-16 to 32.4 lakh hectares in 2024-25 due to consistent MSP support.
    • Lower Yield Risk Due to Irrigation and Research Support: Rice and wheat are mostly grown under irrigated conditions and benefit from superior public research, leading to more stable yields. Eg: Wheat variety HD-3385, released in 2023, offers 6 tonnes/hectare yield with resistance to rust diseases and adaptability to different sowing times.
    • Continuous Breeding Innovations and Higher Returns: These crops have seen regular improvements through breeding, enhancing productivity, stress tolerance, and input efficiency. Eg: Genetically-edited rice variety Kamala yields up to 9 tonnes/hectare and matures faster, saving water and fertilizer costs.

    What drives yield growth in these crops?

    • Genetic Improvements and Breeding Innovations: Continuous breeding has led to development of high-yielding, stress-resistant varieties. Eg: Wheat variety HD-3385, released in 2023 by ICAR, yields an average of 6 tonnes/hectare with a potential of 7.3 tonnes, and is resistant to all three major rusts (yellow, brown, and black).
    • Improved Agronomic Practices and Technology Adoption: Advanced farming practices like early sowing, use of fertiliser-responsive varieties, and direct seeding have boosted productivity. Eg: Direct-Seeded Rice (DSR) technology eliminates the need for nursery and transplanting, saving water and labour, and supporting yield levels up to 10 tonnes/hectare in some hybrid varieties.
    • Public Research and Extension Support: Rice and wheat receive consistent support from government research institutions, unlike many other crops. Eg: The CRISPR-Cas edited rice variety Kamala, developed by ICAR in 2024, produces 450-500 grains per panicle (vs. 200-250 in parent variety), yields up to 9 tonnes/hectare, matures 15-20 days earlier, and requires less fertiliser and water.

    How has government policy influenced the cropping patterns in states?

    • Minimum Support Price (MSP) and Procurement Assurances: Farmers prefer crops with assured government procurement at MSP, reducing market risk. Eg: In Punjab, rice area increased from 29.8 lakh hectares in 2015-16 to 32.4 lh in 2024-25 due to near-guaranteed MSP procurement, while cotton area declined from 3.4 lh to 1 lh.
    • Skewed Research and Input Support: Rice and wheat have received consistent research and extension support, unlike pulses or oilseeds. Eg: ICAR has developed multiple improved wheat and rice varieties (e.g., HD-3385, Kamala), while no major breakthrough has happened in cotton since Bt cotton (2002-06).
    • Irrigation Infrastructure Bias: Government investment in irrigation has favoured crops like rice and wheat, making them less yield-risk prone. Eg: In Madhya Pradesh, wheat area rose from 59.1 lh to 78.1 lh and rice from 20.2 lh to 38.7 lh, as irrigation expansion supported these water-reliant crops.

    Which innovations improved rice varieties?

    • Semi-Dwarf and High-Yielding Varieties: Introduction of semi-dwarf varieties reduced lodging and increased fertiliser response and yields. Eg: IR-8, released in 1966, was the first semi-dwarf rice variety, yielding 4.5–5 tonnes/hectare in just 130 days, compared to 1–3 tonnes in traditional varieties over 160–180 days.
    • Gene Editing using CRISPR-Cas Technology: Advanced gene-editing allows precision improvements in yield and stress tolerance. Eg: Kamala, a GE mutant of Samba Mahsuri developed by ICAR in 2024, yields up to 9 tonnes/hectare, matures earlier, and has 450–500 grains per panicle (vs. 200–250 in the original).
    • Abiotic Stress Tolerance Breeding: Development of varieties tolerant to drought, salinity, and heat stress for resilience in changing climates. Eg: Pusa DST Rice 1, a GE version of Cottondora Sannalu, with edited DST gene, shows improved tolerance to drought and salt stress, enabling cultivation in marginal soils.

    Way forward: 

    • Diversify MSP and R&D Focus: Extend assured procurement and research support to pulses, oilseeds, and millets to reduce over-reliance on rice and wheat.
    • Promote Sustainable Practices: Encourage water-saving technologies like direct-seeded rice, crop rotation, and climate-resilient varieties to ensure long-term agricultural sustainability.

    Mains PYQ:

    [UPSC 2024] What are the major challenges faced by Indian irrigation system in recent times? State the measures taken by the government for efficient irrigation management.

    Linkage: Farmers prefer rice and wheat partly because of access to irrigation which reduces yield risk. Challenges and management of irrigation systems directly impact this aspect of their decision-making.

  • Species in news: Indian Grey Wolf

    Why in the News?

    Indian Grey Wolves in the Kadbanwadi Grasslands in Pune District are exposed to threats from local dog populations, such as Canine Distemper Virus (CDV), rabies, and canine parvovirus.

    Indian Grey Wolf

    About the Indian Grey Wolf (Canis lupus pallipes):

    • The Indian Grey Wolf is a subspecies of the Grey Wolf, found in India, Southwest Asia, and parts of the Middle East.
    • It has a brownish-grey coat with black and white markings and is less vocal, living in small packs of 2 to 6 members.
    • This wolf is nocturnal, meaning it hunts mainly at night, preying on small animals like chinkaras (gazelles), rodents, and sometimes livestock.
    • It lives in scrublands, grasslands, and semi-arid regions, and prefers warm climates.
    • As an apex predator of the grasslands, it plays a vital role in the ecosystem by controlling the population of herbivores and smaller predators.
    • The species is under threat due to habitat loss, disease from stray dogs, crossbreeding, and human conflict.
    • Its conservation status is critical:
      • IUCN: Endangered
      • CITES: Appendix I (highest international protection)
      • Wildlife Protection Act, 1972: Schedule I (maximum legal protection)

    Do you know?

    • The only protected area specifically dedicated to Indian grey wolves in India is the Mahuadanr Wolf Sanctuary in Latehar district, Jharkhand.
    • This sanctuary was established in 1976 to protect the wolf population and is part of the Palamau Tiger Reserve.

     

    [UPSC 2002] Which one of the following is monogamous?

    Options: (a) Wolf* (b) Walrus (c) Seal (d) Deer* (Answer is disputed)

     

  • [pib] Group of Friends of Traditional Medicine (GFTM) 

    Why in the News?

    The Sixth Meeting of the Group of Friends of Traditional Medicine (GFTM) was hosted by the Permanent Mission of India in Geneva.

    About Group of Friends of Traditional Medicine (GFTM):

    • GFTM is an informal platform launched by India in May 2023 under the WHO to promote cooperation on traditional medicine.
    • It is coordinated via India’s Permanent Mission in Geneva; it hosts regular meetings to explore integration of traditional systems into health strategies.
    • It supports global efforts like the WHO Traditional Medicine Strategy 2025–2034, fostering knowledge exchange and research collaboration.
    • It focuses on policy development, capacity building, and scientific validation of traditional practices.
    • It builds momentum for global events such as the WHO Global Traditional Medicine Summit and World Health Assembly sessions.

    India’s Key Initiatives in Traditional Medicine:

    The National AYUSH Mission (NAM) promotes Ayurveda, Yoga, Naturopathy, Unani, Siddha, and Homeopathy through dedicated facilities and education. Key efforts include:

    • Establishment of Ayush Arogya Mandirs (wellness centres) for integrated care.
    • Expansion of insurance coverage for AYUSH treatments.
    • Promotion of collaborative research with DBT, DST, ICMR, and CSIR.
    • Use of AI, genomics, and bioinformatics to bolster scientific credibility.
    • Strengthening of global outreach via bilateral agreements, international events, and multilateral platforms.
    [UPSC 2019] How is the Government of India protecting traditional knowledge of medicine from patenting by pharmaceutical companies?

     

  • Asteroid YR4 might miss the Earth

    Why in the News?

    Asteroid YR4, discovered in December 2024 via Chile’s ATLAS telescope, was first thought to threaten Earth but was later ruled out. Scientists now focus on its potential Moon impact in 2032.

    Asteroid YR4 might miss the Earth

    About Asteroid 2024 YR4:

    • Asteroid 2024 YR4 was discovered in December 2024 by the ATLAS telescope located in Chile.
    • It is a near-Earth asteroid (NEA) whose orbit brings it within 1.3 AU (Earth-Sun distances) of Earth.
    • It is estimated to be 65 metres wide, roughly the size of a 10-storey building.
    • Initially, it was suspected to have a 3.1% chance of impacting Earth in 2032, triggering NASA’s highest-ever asteroid impact alert.
    • Subsequent tracking ruled out an Earth impact but indicated a 3.8% chance of hitting the Moon on December 22, 2032.
    • A Moon impact would create a 500 to 2,000-metre-wide crater and release energy 340 times more powerful than the Hiroshima bomb.
    • Despite being smaller than the 140m threshold for “potentially hazardous asteroids,” its unusual trajectory drew global scientific attention.
    • Scientists continue to observe YR4, including during a close approach in 2028, to refine its orbital predictions.

    Back2Basics: ATLAS Telescope

    • ATLAS (Asteroid Terrestrial-impact Last Alert System) is a NASA-funded early warning project for detecting small near-Earth objects (NEOs).
    • It is developed and operated by the University of Hawaii’s Institute for Astronomy.
    • As of 2025, ATLAS operates five telescopes in Hawaii, South Africa, Chile, and the Canary Islands.
    • Each telescope has a 0.5-meter Wright-Schmidt design, a 1-meter focal length, and a 110 MP CCD detector with a 7.4° field of view.
    • The system scans 20,000 square degrees of sky three times per night and provides 1–3 week warnings for asteroids 45–120 meters wide.
    • In addition to asteroids, ATLAS also discovers supernovae, comets, dwarf planets, and variable stars.

     

    [UPSC 2011] Comets show a perceptible glowing tail, while asteroids do not. Which of the statements given above is/are correct?

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

     

  • IAF spokesperson quotes Ramcharitmanas

    Why in the News?

    India’s briefing on Operation Sindoor was opened with lines from poet Ramdhari Singh Dinkar and concluded with a reference to the Ramcharitmanas (by Tulsidas) by the IAF spokesperson.

    About Tulsidas:

    • Tulsidas, born as Ram Bola Dubey, was a Brahmin poet-saint believed to have been born in Rajapur (present-day Banda district, Uttar Pradesh).
    • He composed the Ramcharitmanas on the banks of the Ganga in Varanasi.
    • Writing began on Ram Navami in 1574, and the composition was completed over the following years.
    • Tulsidas lived during the time of Emperor Akbar, and some sources suggest he had contact with Abdurrahim Khan-e-Khanan, son of Akbar’s general Bairam Khan.

    About the Ramcharitmanas:

    • Ramcharitmanas was written in the 16th century in the Awadhi dialect and is spoken across Lucknow, Prayagraj, and Ayodhya regions.
    • It is a retelling of Valmiki’s Ramayana in a vernacular language accessible to the common people.
    • It is divided into seven chapters (Kand), covering Lord Ram’s life from birth to his coronation.
    • It is referred to simply as “Ramayan” across the Hindi heartland.
    • It is regarded as the holiest text in the Indo-Gangetic region.
    • Geeta Press (Gorakhpur) has reportedly sold nearly 7 crore copies.
    [UPSC 2002] Who among the following was the first Bhakti saint to use Hindi for the propagation of his message?

    Options: (a) Dadu (b) Kabir (c) Ramananda* (d) Tulsidas

     

  • Self-Defence Clause in Global Law

    Why in the News?

    India and Pakistan agreed to cease all firing and military actions following precision strikes by India under Operation Sindoor as a Self-Defence against the Pahalgam massacre that killed 26 civilians.

    About Right to Self-Defence under UN Charter:

    • The United Nations Charter generally prohibits the use of force under Article 2(4).
    • Article 51 provides an exception, permitting the use of force in self-defence if an armed attack occurs against a Member State.
    • The International Court of Justice (ICJ) in Nicaragua v. U.S. (1986) interpreted “armed attack” as the gravest form of the use of force.
    • The right of self-defence is subject to two key conditions:
      1. Necessity: The force must be essential to respond to an armed attack.
      2. Proportionality: The response must not exceed what is required to repel the attack.
    • Under Article 51, states must immediately notify the UN Security Council (UNSC) of any action taken in self-defence.
    • In India’s case, the May 7, 2025 missile strikes were described as a “measured response” to the Pahalgam massacre, implying invocation of Article 51, though not explicitly stated.
    • India’s May 8 briefing to 13 of 15 UNSC members was likely in fulfilment of this reporting obligation.

    ‘Unwilling or Unable’ Doctrine:

    • This is an emerging principle in international law, particularly after 9/11.
    • It allows a state to use self-defensive force against non-state actors operating from another state’s territory if that state is:
      • Unwilling or
      • Unable to stop the threat.
    • It was prominently invoked by the US:
      • In 2011 (killing of Osama bin Laden in Pakistan).
      • In 2014 (airstrikes on ISIS in Syria).
    • However, it is criticised by countries like Russia, China, and Mexico for undermining state sovereignty and the UN system.

    India’s Stance:

    • India’s position is unclear but evolving. At a UNSC Arria Formula meeting in Feb 2021, India listed 3 conditions:
    1. The non-state actor has repeatedly attacked the state.
    2. The host state is unwilling to neutralize the threat.
    3. The host state actively supports or sponsors the non-state actor.
    • Legal scholars note it is uncertain if these conditions are cumulative or independent.
    • In response to the Pahalgam attack, India accused Pakistan of inaction and labelled it a safe haven for terrorists.
    • This suggests implicit reliance on the “unwilling or unable” doctrine, though it is not codified in customary international law.
    [UPSC 2005] Consider the following statements:

    1. The Charter of the United Nations Organization was adopted at Geneva, Switzerland in June, 1945;

    2. India was admitted to the United Nations Organization in the year 1945;

    3. The Trusteeship Council of the United Nations Organization was established to manage the affairs of territories detached from Japan and Italy after WWII.

    Which of the statements given above is/are correct?

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

     

  • Kerala, MH, TN attain SDGs in MMR, U5MR, NMR

    Why in the News?

    According to the Sample Registration System (SRS) Report 2021, Kerala, Maharashtra, and Tamil Nadu have successfully achieved the UN Sustainable Development Goals (SDGs) related to Maternal Mortality Rate (MMR), Under-Five Mortality Rate (U5MR), and Neonatal Mortality Rate (NMR).

    About SDGs (related to MMR, U5MR, NMR):

    • Under SDG 3, the goals focus on ensuring healthy lives and promoting well-being for all.
    • Target 3.1 aims to reduce MMR to below 70 per 100,000 live births by 2030, with no country exceeding 140.
    • Target 3.2 sets the goal to reduce U5MR to 25 or fewer per 1,000 live births and NMR to 12 or fewer per 1,000 live births.

    Key Highlights of the Report:

    • States meeting MMR target (≤70):
      • Kerala (20), Maharashtra (38), Tamil Nadu (49), plus Telangana, Andhra Pradesh, Jharkhand, Gujarat, and Karnataka.
    • States/UTs meeting U5MR target (≤25):
      • Includes Kerala (8), Tamil Nadu (14), Delhi, Maharashtra, J&K, West Bengal, Karnataka, Punjab, Telangana, Himachal Pradesh, Andhra Pradesh, and Gujarat.
    • States/UTs meeting NMR target (≤12):
      • Includes Kerala (4), Tamil Nadu (9), Delhi, Maharashtra, J&K, and Himachal Pradesh.
    • National improvements:
      • MMR dropped from 130 (2014–16) to 93 (2019–21).
      • U5MR declined from 45 (2014) to 31 (2021).
      • NMR dropped from 26 (2014) to 19 (2021).
      • IMR declined from 39 (2014) to 27 (2021).
      • Sex Ratio at Birth improved from 899 to 913 (2014–2021).
      • Total Fertility Rate reached replacement level of 2.0 in 2021.
    • Compared globally (1990–2023), India achieved an 86% reduction in MMR (vs 48% globally), 78% in U5MR (vs 61%), 70% in NMR (vs 54%), and 71% in IMR (vs 58%).
    [UPSC 2023] Consider the following statements in relation to Janani Suraksha Yojna:

    1. It is safe motherhood intervention of the State Health Departments.

    2. Its objective is to reduce maternal and neonatal mortality among poor pregnant women.

    3. It aims to promote institutional delivery among poor pregnant women.

    4. Its objective includes providing public health facilities to sick infants up to one year of age.

    How many of the statements given above are correct?

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

     

  • Gold’s Cosmic Origins from Magnetar Flares

    Why in the News?

    A new study by Columbia University, suggests that the universe may have an alternate mechanism for producing gold — not just in neutron star collisions, as previously believed, but also in magnetar flares.

    Gold's Cosmic Origins from Magnetar Flares

    What are Magnetars?

    • Magnetars are a rare type of neutron star with immensely strong magnetic fields, among the most powerful in the universe.
    • They are formed when a massive star collapses during a supernova, leaving a highly dense stellar core.
    • Due to magnetic instability, magnetars sometimes release intense flares of X-rays and gamma rays.
    • These flares can be millions of times stronger than typical solar flares.
    • A magnetar’s magnetic field is estimated to be about a thousand times stronger than that of ordinary neutron stars.

    r-Process in a Magnetar Flare:

    • The r-process (rapid neutron-capture process) forms heavy elements like gold, platinum, and uranium by rapidly attaching neutrons to atomic nuclei.
    • It was earlier believed to occur mainly in neutron star mergers.
    • In a 2024 study, scientists analysed a 2004 magnetar flare followed by delayed gamma-ray emissions, recorded by NASA’s Compton Gamma Ray Observatory.
    • The radiation patterns matched those of radioactive decay from r-process elements, suggesting neutron-rich nuclei were produced.
    • Around 1.9 septillion kilograms of matter was ejected at near-light speeds, marking the first direct evidence of r-process nucleosynthesis in a magnetar flare.

    Implications for Gold Formation:

    • The study shows that magnetar flares may also produce gold and other heavy elements, not just neutron star collisions.
    • This implies such elements could have formed earlier in the universe than previously believed.
    • The findings broaden our understanding of the origins of chemical elements in space.
    • It confirms that multiple astrophysical events contribute to the formation of heavy elements.
    • It also offers a new perspective on cosmic gamma-ray bursts and ancient stellar compositions.
    [UPSC 2012] Consider the following is/are cited by the scientists as evidence/evidences for the continued expansion of the universe?

    1. Detection of microwaves in space

    2. Observation of redshift phenomenon in space

    3. Movement of asteroids in space

    4. Occurrence of supernova explosions in space

    Select the correct answer using the code given below:

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

     

  • Scientists create first ‘Pangenome’ of Asian Rice

    Why in the News?

    Chinese researchers has developed a first-of-its-kind rice pangenome by integrating genetic data from 144 wild and cultivated rice varieties from Asia (similar to the Human Genome Project).

    About the Rice Pangenome:

    • A pangenome includes both the core genes shared by all members of a species and the unique genes found in specific varieties, offering a complete view of genetic diversity.
    • The rice pangenome was built using data from 144 wild and cultivated rice varieties across Asia, making it the first comprehensive genomic resource for rice.
    • Researchers led the project from the Chinese Academy of Sciences to explore rice evolution and domestication.
    • Researchers used PacBio HiFi sequencing and advanced computational tools to detect variations, uncovering 3.87 billion base pairs of genetic material previously missing from the standard rice genome.

    Key Findings:

    • The study identified 69,531 genes, including 28,907 core genes common to all varieties and 13,728 genes unique to wild rice.
    • About 20% of all genes were exclusive to wild rice, offering potential for trait improvement in cultivated varieties.
    • The study confirmed that all Asian cultivated rice (Oryza sativa L.) originated from Or-IIIa, a subgroup of Oryza rufipogon.
    • Japonica rice was first domesticated in China, while indica rice arose later via hybridization as japonica spread across Asia.
    • Wild-specific genes were linked to environmental adaptation, phenotypic flexibility, and regenerative traits, offering insights for future crop resilience.
    • Bridging the genetic gap between wild and cultivated rice could lead to climate-resilient and high-yield varieties.

    India’s Contribution:

    • Rice is India’s staple food and the main monsoon crop, grown from June to September.
    • In 2024–25, India produced a record 220 million tonnes of rice over 51,000 hectares, with an average yield of 4.2 tonnes per hectare.
    • The Indian Council of Agricultural Research (ICAR) has developed two genome-edited rice varieties — Samba Mahsuri and MTU 1010 — known for higher yields and drought resistance; these are currently under testing.
    [UPSC 2001] Assertion (A): Scientists can cut apart and paste together DNA molecules at will, regardless of the source of the molecules. Reason (R): DNA fragments can be manipulated using restriction endonucleases and DNA ligases.

    Options: (a) Both A and R are individually true and R is the correct explanation of A * (b) Both A and R are individually true but R is NOT a correct explanation of A (c) A is true but R is false (d) A is fasle but R is true