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Type: Prelims Only

  • New Species of Plants and Animals Discovered

    Sultanpur National Park Sees Surge in Migratory Birds

    11 December 2025 | Prelims Only | Environment
    Mains Paper 3: Conservation, Environmental Pollution & Degradation, Eia

    Why in the News?

    Sultanpur National Park in Haryana has recorded a sharp rise in migratory bird arrivals, with numbers increasing from 10,000–15,000 in mid-November to an estimated 25,000–35,000 in early December. The rise is linked to falling temperatures, improved wetland conditions and enhanced conservation efforts.

    About Sultanpur National Park

    • Located in Gurugram district, Haryana.
    • Recognized as one of Asia’s major bird habitats.
    • Declared a Ramsar Site in 2021.
    • Ecosystem: freshwater wetland, surrounded by grassland and acacia woodland.
    • Major attraction during winter due to large flocks of migratory birds.

    Migration Patterns

    • Attracts species from: Siberia, Europe, Central Asia and Other northern regions.
    • Migration triggered by:
      • Decreasing temperatures in breeding grounds
      • Availability of food and safe wetland habitats in India.

    Species Currently Sighted

    • Greylag Goose, Bar-headed Goose, Northern Pintail, Common Teal, Shoveler (Northern Shoveler), Common Coot and Black-tailed Godwit (near-threatened).
    Which of the following National Parks is unique in being a swamp with floating vegetation that supports a rich biodiversity? (2015)

    (a) Bhitarkanika National Park 

    (b) Keibul Lamjao National Park 

    (c) Keoladeo Ghana National Park 

    (d) Sultanpur National Park

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  • New Species of Plants and Animals Discovered

    Meghalaya’s New Spider Discoveries

    11 December 2025 | Prelims Only | Environment
    Mains Paper 3: Conservation, Environmental Pollution & Degradation, Eia

    Why in the News?

    Researchers from the Zoological Survey of India have identified two new species of jumping spiders in Meghalaya, further highlighting the region’s status as a major biodiversity hotspot.

    The new species are:

    • Asemonea dentis
    • Colyttus nongwar

    Their formal descriptions have been published in Zootaxa, an international peer-reviewed journal.

    Location & Significance

    • Found in the forested landscapes of Meghalaya, part of the Indo-Burma biodiversity hotspot.
    • The Northeast is considered one of India’s least-explored yet ecologically rich regions.

    About the Species

    Asemonea dentis

    • Belongs to the genus Asemonea; this is only the third Indian species in this genus.
    • Named for a distinct tooth-like projection on the male palpal femur.
    • Male: greenish-brown body with pale-yellow V-shaped abdominal marking.
    • Female: creamy white body with fine black markings.
    • Genus characteristics: associated with shrubs and foliage; less studied in India.

    Colyttus nongwar

    • Only the second Indian species of the genus Colyttus.
    • Named after Nongwar village in the Khasi Hills.
    • Both sexes display:
      • Oval reddish-brown carapace
      • Light-brown abdomen
      • Creamy anterior band with five chevron-shaped patches
    • Genus: little-known Oriental group with limited representation in India.
    Recently, for the first time in our country, which of the following States has declared a particular butterfly as ‘State Butterfly’? (2016)

    (a) Arunachal Pradesh 

    (b) Himachal Pradesh 

    (c) Karnataka 

    (d) Maharashtra

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  • Modern Indian History-Events and Personalities

    Swahid Diwas – PM’s Tribute 

    10 December 2025 | Prelims Only | History
    Mains Paper 1: Modern Indian History, Population & Associated Issues

    Why in the News

    The Prime Minister paid tribute on Swahid Diwas (10 December 2025), honouring the martyrs of the Assam Movement and reaffirming the Government’s commitment to strengthening Assam’s culture and ensuring holistic development of the state.

    About Swahid Diwas

    • Observed in Assam to commemorate the martyrs of the Assam Movement (1979–1985).
    • Recognises those who died during the agitation for identification, deletion and deportation of illegal migrants to protect the demographic, cultural and linguistic identity of the Assamese people.

    About the Assam Movement  

    • Period: 1979–1985.
    • Led by AASU (All Assam Students’ Union) and AAGSP.
    • Trigger: Concerns over illegal immigration from Bangladesh affecting Assam’s demographic balance.
    • Core demands:
      • Detection of illegal migrants
      • Updating electoral rolls
      • Preservation of Assamese culture and identity
    • Culmination: Assam Accord (1985) signed between AASU, AAGSP and the Government of India; provided mechanisms for identifying and addressing illegal immigration.
    UPSC Prelims Pointers

    • Swahid Diwas → linked to Assam Movement, not to national movements.
    • Assam Movement → resulted in Assam Accord 1985.
    • Led mainly by AASU and AAGSP.
    • Focus → illegal migration, cultural identity, demographic protection.
    • Term “Swahid” means martyr in Assamese.
    Satya Shodhak Samaj organized (2016)

    (a) a movement for upliftment of tribals in Bihar 

    (b) a temple-entry movement in Gujarat 

    (c) an anti-caste movement in Maharashtra 

    (d) a peasant movement in Punjab

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  • Health Sector – UHC, National Health Policy, Family Planning, Health Insurance, etc.

    Gallbladder Cancer in the Gangetic Belt 

    10 December 2025 | Prelims Only | Environment
    Mains Paper 3: Awareness in various sc and tech fields, Conservation, Environmental Pollution & Degradation, Eia

    Why in the News

    • New analysis calls gallbladder cancer (GBC) an “invisible epidemic” in India’s Gangetic belt, especially among women.
    • Despite high prevalence, GBC is not a national health priority, poorly monitored, and driven by environmental pollution.

    Key Highlights

    1. High-Burden Geography

    • India accounts for ~10% of global GBC cases.
    • Highest incidence in Uttar Pradesh, Bihar, West Bengal, Assam.

    2. Environmental Drivers

    • Arsenic, cadmium, lead contamination in groundwater.
    • Industrial effluent discharge into rivers.
    • Pesticide residues, adulterated oils, contaminated fish.
    • Chronic exposure through water, food, soil.

    3. Gendered Impact

    • ~70% of GBC patients are women.
    • Factors contributing:
      • Reuse of cooking oil
      • Consumption of unrefrigerated food
      • High exposure to contaminated water during domestic chores
    • 80%+ diagnosed at Stage III/IV, when surgery is not viable.

    4. Socio-Economic Burden

    • Treatment costs ₹8–12 lakh → debt, treatment abandonment.
    • Hotspots overlap with districts having high poverty and poor sanitation.

    5. Governance Failures

    • Cancer registries cover only 10% of the population → clusters remain invisible.
    • Weak enforcement of pollution laws.
    • No mandatory cancer reporting.
    Which of the following can be found as pollutants in the drinking water in some parts of India? (2013)

    (1). Arsenic 

    (2). Sorbitol 

    (3). Fluoride 

    (4). Formaldehyde 

    (5). Uranium 

    Select the correct answer using the codes given below. 

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

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  • ISRO Missions and Discoveries

    Aditya-L1 Reveals Why the 2024 Solar Storm Behaved Unusually

    10 December 2025 | Prelims Only | Science and Technology
    Mains Paper 3: Awareness in various sc and tech fields

    Why in the news?

    • In May 2024, Earth experienced the strongest solar storm in over two decades, popularly known as Gannon’s Storm.
    • A collaborative study using Aditya-L1 and six NASA satellites has explained the unusual behaviour and enhanced intensity of this storm.

    What Are CMEs?

    • Coronal Mass Ejections (CMEs): Massive bubbles of charged gas and magnetic energy expelled from the Sun.
    • When directed towards Earth, CMEs can:
      • Disturb the magnetosphere
      • Disrupt satellites, communication networks, GPS
      • Trigger geomagnetic storms affecting power grids

    Key Findings of the Study

    1. Collision of Two CMEs

    • Instead of a single CME rope, two CMEs collided in space.
    • This collision compressed and distorted their magnetic structures.

    2. Magnetic Reconnection Inside the CME

    • Magnetic fields inside one CME snapped and rejoined, creating new magnetic pathways. This internal breakup is called magnetic reconnection.
    • Consequences:
      • Sudden reversal and strengthening of magnetic fields
      • Enhanced geomagnetic impact on Earth
      • Acceleration of charged particles detected by satellites

    3. First Multi-Vantage Observation

    • Observations came from Aditya-L1 and six US satellites:
      • NASA Wind
      • ACE
      • THEMIS-C
      • STEREO-A
      • MMS
      • DSCOVR (NASA-NOAA)
    • Enabled simultaneous study of the storm from Earth, Moon, and L1 point.

    4. Discovery of a Giant Reconnection Region

    • Aditya-L1’s precise magnetic field measurements showed:
      • Reconnection region ≈ 1.3 million km across
      • Nearly 100 times Earth’s diameter
    • First recorded instance of such a giant internal magnetic breakup within a CME.
    If a major solar storm (solar flare) reaches the Earth, which of the following are the possible effects on the Earth ? (2022)

    1. GPS and navigation systems could fail. 

    2. Tsunamis could occur at equatorial regions. 

    3. Power grids could be damaged. 

    4. Intense auroras could occur over much of the Earth. 

    5. Forest fires could take place over much of the planet. 

    6. Orbits of the satellites could be disturbed. 

    7. Shortwave radio communication of the aircraft flying over polar regions could be interrupted. 

    Select the correct answer using the code given below: 

    (a) 1, 2, 4 and 5 only (b) 2, 3, 5, 6 and 7 only (c) 1, 3, 4, 6 and 7 only (d) 1, 2, 3, 4, 5, 6 & 7

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  • Foreign Policy Watch: United Nations

    UNEA-7: Rift Over UNEP’s Medium-Term Strategy and Funding Crunch

    10 December 2025 | Prelims Only | Environment
    Mains Paper 3: Conservation, Environmental Pollution & Degradation, Eia

    Why in the news?

    The seventh UN Environment Assembly (UNEA-7) begins in Nairobi amid deep divisions over the UN Environment Programme’s (UNEP) Medium-Term Strategy (MTS) 2026–2030 and a significant decline in core funding. The MTS acts as UNEP’s operational mandate guiding global work on climate, biodiversity, pollution and land restoration.

    UPSC Prelims Pointers

    About UNEP

    • Headquarters: Nairobi, Kenya
    • Established: 1972 (Stockholm Conference outcome)
    • Governing body: UN Environment Assembly (UNEA)
    • Works on: climate, biodiversity, pollution, land, chemicals, resource efficiency, environmental governance.

    About UNEA

    • Meets biennially.
    • World’s highest-level decision-making body on environment.
    • Each member state of the UN has one vote.

    UNEP’s Environment Fund (EF)

    • Voluntary, but based on an indicative scale of contributions.
    • Provides core, unearmarked funding.
    • Decline in EF impacts UNEP’s operational independence.

    Medium-Term Strategy (MTS)

    • 5-year framework guiding programmatic priorities.
    • Needed for budget approval.
    • Current debate concerns the 2026–2030 MTS text.

    Triple Planetary Crisis

    • Climate change
    • Biodiversity loss
    • Pollution and waste

    Plastics Treaty Process

    • Negotiated under the Intergovernmental Negotiating Committee (INC).
    • UNEP serves as secretariat, but mandate expansion is contested.
    Which one of the following is associated with the issue of control and phasing out of the use of ozone-depleting substances? (2015)

    (a) Bretton Woods Conference 

    (b) Montreal Protocol 

    (c) Kyoto Protocol 

    (d) Nagoya Protocol

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  • Modern Indian History-Events and Personalities

    Bankim Chandra Chattopadhyay 

    10 December 2025 | Prelims Only | History
    Mains Paper 1: Modern Indian History

     Why in the news?

    • The family of Bankim Chandra Chattopadhyay, author of Vande Mataram, recently praised the Prime Minister for commemorating the 150 years of the national song.

    About Bankim Chandra Chattopadhyay

    • Born: 27 June 1838, Kantalpara, 24 Parganas (Bengal Presidency)
    • Died: 8 April 1894
    • Also known as Bankim Chandra Chatterjee.
    • Regarded as “Sahitya Samrat” (Emperor of Literature) of Bengali literature.
    • One of the first two graduates of the University of Calcutta; later obtained a law degree.
    • Served in the British Indian government.

    Literary Contributions

    Early Works

    • Began as a poet, later shifted to fiction.
    • First Novel: Durgeshnandini (1865) – first Bengali romance.

    Major Works

    • Kapalkundala (1866), Mrinalini (1869), Vishbriksha (1873), Chandrasekhar (1877), Rajani (1877), Rajsimha (1881) and Devi Chaudhurani (1884)

    Most Famous Work

    • Anand Math (1882)
      • Based on the Sannyasi Rebellion (late 18th century).
      • Contains “Vande Mataram”, later adopted as the national song.

    Vande Mataram

    • Written in Sanskrit.
    • First sung by Rabindranath Tagore at the 1896 Kolkata Session of the Indian National Congress.
    • Adopted as the National Song on 24 January 1950 by the Constituent Assembly.
    • Symbol of Indian nationalism and anti-colonial struggle.
    With reference to the book “Desher Katha” written by Sakharam Ganesh Deuskar during the freedom struggle, consider the follow-ing statements: (2020)

    (1) It warned against the Colonial State’s hypnotic conquest of the mind. 

    (2) It inspired the performance of swadeshi street plays and folk songs. 

    (3) The use of ‘desh’ by Deuskar was in the specific context of the region of Bengal. 

    Which of the statements given above are correct? 

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

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  • Terrorism and Challenges Related To It

    NATGRID  

    9 December 2025 | Prelims Only | Internal Security
    Mains Paper 3: External State & Non-State Actors: Challenges To Internal Security.

    Why in the News?

    • NATGRID is now receiving around 45,000 data-access requests per month, according to government officials.
    • At the 2024 DGP Conference (Nov 28–30, Raipur), chaired by the Prime Minister, all law-enforcement agencies were directed to scale up use of NATGRID in investigations.
    • States have been asked by the Ministry of Home Affairs (MHA) to use the platform extensively to access multiple government and private datasets.

    What is NATGRID?

    • National Intelligence Grid (NATGRID) is an integrated intelligence platform that provides secure, real-time access to various databases for police and investigative agencies.
    • Conceptualised in 2009 after the 26/11 Mumbai terror attacks.
    • Became operational in 2023 (last year).
    • It is accessible only to authorised security agencies.

    Institutional Developments

    • NATGRID gained momentum in 2019 under Home Minister Amit Shah, who resolved inter-agency differences and expanded access to States.
    • In 2020, NATGRID signed an MoU with the National Crime Records Bureau (NCRB) to access the Crime and Criminal Tracking Network and Systems (CCTNS), which links ~14,000 police stations nationwide.

    Recent Challenges Reported

    • Slow or time-consuming login procedures
    • Delays in receiving information that is expected to be real-time

    UPSC Prelims Pointers

    • NATGRID conceptualised → 2009, after 26/11.
    • Operational → 2023.
    • Provides access to government + private datasets.
    • No FIR required to use the platform.
    • Integrated with CCTNS through an MoU with NCRB (2020).
    • Access allowed to SP-rank officers and central agencies.
    • Aim → real-time, secure, multi-source data access for intelligence and investigation.

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

    Measles  

    9 December 2025 | Prelims Only | Social Justice
    Mains Paper 2: Health & Education

    Why in the News?

    • According to recent global health reports, measles caused approximately 95,000 deaths in 2024, despite the presence of a highly effective vaccine.
    • Most deaths occurred among unvaccinated children under five, highlighting concerns about declining immunization coverage, vaccine hesitancy, and disruptions in routine immunization services in several regions.
    • The spike has raised alarms globally, making measles a significant public health priority in 2025.

    About Measles

    • Type: Highly contagious airborne viral disease.
    • Causative Agent: Measles virus (family Paramyxoviridae, genus Morbillivirus).
    • Severity: Can lead to pneumonia, encephalitis, blindness, and death.

    Who Is at Risk?

    • Any non-immune person.
    • Higher risk:
      • Unvaccinated young children
      • Pregnant persons
    • Common in parts of Africa, the Middle East, and Asia.

    Treatment

    • No specific antiviral treatment.
    • Management is supportive (hydration, fever control, nutrition, monitoring complications).

    Prevention

    • Measles-Rubella (MR) vaccine offers long-term protection.
    • India:
      • Measles vaccine included in Universal Immunization Programme (UIP) in 1985.
      • Ongoing campaigns aim to eliminate measles and rubella.

    UPSC Prelims Pointers

    • Measles virus → Paramyxoviridae.
    • Virus survives 2 hours in air/surfaces → high transmission.
    • No antiviral; vaccine is key preventive tool.
    • Koplik spots → diagnostic hallmark.
    • India introduced measles vaccine in Universal Immunization Programme (UIP) → 1985.
    • Recent spike in global deaths makes measles a current affairs hotspot.
    HINI virus is sometimes mentioned in the news with reference to which one of the following diseases? (2015)

    (a) AIDS 

    (b) Bird flu 

    (c) Dengue 

    (d) Swine flu

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  • Foreign Policy Watch: India-Africa

    Benin

    9 December 2025 | Prelims Only | International Relations
    Mains Paper 2: Bilateral, Regional and Global Groupings and agreements involving India

    Why in the news?

    Benin President Patrice Talon said the security forces stopped a coup attempt by some soldiers in Cotonou on December 7.

    Key Facts

    • Country in West Africa
      Total area about 112622 sq km
       Borders: Niger to the northeast and east, Togo to the west, Burkina Faso to the northwest and the Southern coastline on the Bight of Benin (Gulf of Guinea, Atlantic Ocean)
    • Major rivers:
      • Niger and its tributaries Mékrou, Alibori, Sota (northeast)
      • Mono, Couffo, Ouémé
    • Official capital: Porto Novo
      • Largest city and de facto capital: Cotonou
    • Approx population: 10.87 million (2016)
    • Official language: French
       Widely spoken local languages: Fon, Yoruba
    • Currency: West African CFA franc (XOF)
    • Former French colony; independence in 1960
    • Type of government: Presidential Republic
      • Multi-party democratic system
    In the recent years Chad, Guinea, Mali and Sudan caught the international attention for which one of the following reasons common to all of them? (2023)

    (a) Discovery of rich deposits of rare earth elements 

    (b) Establishement of Chinese military bases 

    (c) Southward expansion of Sahara Desert 

    (d) Successful coups

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