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GS Paper: GS1

  • Who was Ishwar Chandra Vidyasagar (1820–1891)?

    Why in the News?

    On his birth anniversary (26 September), the Union Home Minister paid tribute to the Bengali social reformer, Ishwar Chandra Vidyasagar.

    Ishwar Chandra Vidyasagar

    About Ishwar Chandra Vidyasagar:

    • Birth & Death: Born on 26 September 1820 in Birsingha, Paschim Medinipur, West Bengal; died on 29 July 1891 in Kolkata.
    • Early Life: Born into a poor priest family to Thakurdas Bandyopadhyay and Bhagavati Devi.
    • Title “Vidyasagar”: Meaning “Ocean of Knowledge,” conferred by Sanskrit College for his mastery of Sanskrit and philosophy.
    • Education: Excelled in Sanskrit grammar, Vedanta, literature, astronomy, logic; graduated with honours in 1841 from Sanskrit College, Calcutta.
    • Career: Served as Head Pandit at Fort William College, later Principal of Sanskrit College, Kolkata, and also Inspector of Schools.

    His Contributions:

    • Educational Reforms:

      • Simplified and modernised the Bengali alphabet and prose.
      • Authored “Borno Porichoy”, a primer still used to teach Bengali script.
      • Opened teacher training institutions and promoted non-Brahmin access to Sanskrit College.
      • Advocated blending traditional Indian learning with Western education.

    • Women’s Rights and Social Reform:

      • Leading advocate of Hindu widow remarriage; efforts led to the Hindu Widows’ Remarriage Act, 1856.
      • Strongly opposed child marriage and polygamy.
      • Championed raising the age of consent, influencing the Age of Consent Act, 1891.
      • Promoted women’s education, serving as secretary of the Hindu Female School (later Bethune School).

    • Philanthropy and Grassroots Work:

      • Founded schools for girls and adults in Santhal Parganas (Jharkhand).
      • Set up a free homeopathy clinic for tribals and the poor.

    • Language and Literature:

      • Regarded as the Father of Modern Bengali Prose.
      • Made Bengali prose clear, concise, and accessible to common people.
    [UPSC 2021] Who among the following was associated as Secretary with Hindu Female School which later came to be known as Bethune Female School?

    Options: (a) Annie Besant (b) Debendranath Tagore  (c) Ishwar Chandra Vidyasagar* (d) Sarojini Naidu

     

  • Citizens, domicile, migrants: Why should we worry about Provincial Citizenship?

    Introduction

    Indian citizenship was envisioned as singular and uniform, rising above provincial or ethnic divides. Yet, as Ranjan’s recent research (2025) and Sarkar’s reflections suggest, the rise of provincial citizenship has complicated this narrative. Rooted in nativist politics and tied to emotional belonging to one’s State, this phenomenon is altering the politics of domicile, migration, and rights. While the COVID-19 migrant crisis exposed vulnerabilities of inter-state labour, subsequent domicile policies and debates around NRC, SIR, and regional protectionism have re-opened constitutional fault lines. The issue compels us to revisit constitutional provisions, historical warnings, and contemporary challenges to Indian federalism.

    Why in the News

    The discussion on provincial citizenship has gained traction because it reflects a sharp break from the constitutional promise of uniform Indian citizenship. Jharkhand’s domicile politics, post-2000, demonstrates how regional grievances can weaponize ‘sons of the soil’ sentiment. J&K’s domicile rules post-2019 abrogation illustrate how domicile is used as a tool of inclusion and protection. Assam’s migration-linked exclusions add another layer of contestation. For the first time, an “unofficial citizenship” has become powerful enough to rival the official national framework, forcing judicial interventions and challenging the foundational principle of equality under Article 16(2). This is no longer a marginal issue but a structural problem, shaping electoral politics and democratic legitimacy.

    What is meant by Provincial Citizenship?

    1. Concept: Rooted in nativist politics, it emphasizes belonging to a State rather than to India as a whole.
    2. Political use: Gains leverage in regional elections by mobilising ‘locals’ against ‘outsiders’.
    3. Entanglement: Blurs lines between spatial identity, freedom of movement, and constitutional citizenship.

    Issues with Provincial Citizenship

    1. Exclusion & Discrimination: Creates second-class citizens among internal migrants, violating the spirit of Articles 15, 16(2), 19.
    2. Fragmentation of National Unity: Undermines the principle of one nation, one citizenship, fostering parochialism and regionalism.
    3. Economic Inefficiency: Restricts labour mobility, hurting industries and services in cities dependent on migrant workers.
    4. Judicial Burden: Conflicts between migrants’ rights and domicile rules often end up in Supreme Court adjudication, showing gaps in political resolution.

    Benefits of Provincial Citizenship

    1. Local Identity & Belonging: Strengthens emotional connection of “sons of the soil” to their State.
    2. Protection of Vulnerable Groups: In J&K, domicile rules safeguarded historically excluded groups like Valmikis, Gorkhas, and West Pakistan refugees.
    3. Equitable Resource Allocation: Ensures locals are not overshadowed by migrants in jobs, education, and land rights.
    4. Democratic Mobilisation: Acts as a rallying point in regional politics, giving voice to sub-national concerns.

    How has Jharkhand become a case study?

    1. Statehood in 2000: Did not end sub-nationalist demands but transformed them into domicile-based politics.
    2. Domicile politics: Used to articulate majoritarian grievances against minority elites.
    3. Departure: Unlike Sixth Schedule areas, it encompassed the entire State, challenging federal norms and Article 16(2).

    What role does Jammu & Kashmir and Assam play?

    1. J&K (Post-2019): Domicile introduced to safeguard minorities like Valmikis, Gorkhas, West Pakistan refugees after abrogation of Article 370.
    2. Assam: NRC and SIR processes highlight anxieties around migration and exclusion.

    How does this challenge the idea of One Citizenship?

    1. Undermines Article 15, 16, 19: Domicile restrictions contradict equality and mobility rights.
    2. Supreme Court interventions: Conflicts between migrants and provincial citizenship often need judicial resolution.
    3. Multiple vocabularies: Terms like citizen-outsiders (Roy), differentiated citizenship (Jayal), paused citizens (Sharma), hyphenated nationality (Sarkar) capture fragmented realities.

    Is this a new phenomenon or an old concern?

    1. Historical context: Myron Weiner’s Sons of the Soil (1978) already flagged migration-linked conflicts.
    2. SRC Report 1955: Explicitly warned that domicile rules undermine the concept of common Indian citizenship.
    3. Newness: The idea has now moved from reports and theory to an active political reality.

    Way Forward

    1. Constitutional Balance: Uphold national citizenship guarantees while allowing limited affirmative safeguards for locals.
    2. Labour Protections: Create a national migrant workers framework to ensure portability of rights and benefits.
    3. Dialogue & Federal Coordination: Encourage Centre–State mechanisms to harmonise domicile policies with constitutional provisions.
    4. Judicial & Policy Oversight: Courts to curb excesses, and Parliament may revisit domicile laws as warned by the States Reorganisation Commission (1955).
    5. Promote Inclusion: Foster constitutional morality and fraternity so regional protections don’t become exclusionary.

    Conclusion

    The rise of provincial citizenship shows that the unity of Indian citizenship is being tested not by foreign threats but by internal contestations of belonging. Jharkhand’s domicile struggles, Assam’s NRC anxieties, and J&K’s experiments demonstrate that citizenship is increasingly layered, contested, and politicised. Unless reconciled, such provincial claims may fracture the inclusive national vision of Akhanda Bharat and weaken democratic federalism.

    PYQ Relevance

    [UPSC 2024] Why do large cities tend to attract more migrants than smaller towns? Discuss in the light of conditions in developing countries.

    Linkage: This article is best linked with the GS1 PYQ “Why do large cities tend to attract more migrants than smaller towns?” as it directly discusses internal migration, mobility vs sedentarism, and the allure of metropolises for rural workers despite precarity, highlighted starkly during COVID-19. It also adds depth by showing how migrants face exclusion through provincial citizenship and domicile politics, raising constitutional questions under Articles 15, 16(2), and 19 and reflecting federal tensions. For UPSC, it is relevant across GS1 (urbanisation, migration, regionalism), GS2 (citizenship, federalism, rights), GS3 (labour and economic vulnerabilities), and GS4 (constitutional morality vs exclusion), making it a rich theme that connects social realities with polity and governance debates.

  • South-west Monsoon: Its Onset and Retreat

    Why in the News?

    According to the India Meteorological Department (IMD), the southwest monsoon began its earliest withdrawal in a decade on September 14 from western Rajasthan, three days before the usual date of September 17.

    What is Monsoon? 

    • Overview: A seasonal reversal of winds, southwest winds (wet) in summer and northeast winds (dry) in winter.
    • Onset Date: Officially begins June 1 over Kerala, advances northwards, covering entire India by mid-July.
    • Importance: Accounts for ~75% of India’s annual rainfall, critical for Kharif crops, water storage, and ecosystems.

    Mechanism of Monsoon Onset:

    • Differential Heating: Indian landmass heats faster than the Indian Ocean, creating low pressure over NW India that pulls in moist winds.
    • Mascarene Highs:
      • Located near Mascarene Islands (east of Madagascar).
      • Strengthen during May–June winter in Southern Hemisphere.
      • Push strong cross-equatorial winds from the SE Indian Ocean towards India.
    • Cross-Equatorial Flow:
      • Southeast trades from Mascarene High cross the equator.
      • Deflected by Coriolis, they become southwest monsoon winds, feeding both Arabian Sea branch and Bay of Bengal branch.
    • ITCZ (Intertropical Convergence Zone) Shift: Moves northwards over Ganga plains, anchoring the monsoon trough.
    • Tibetan Plateau Heating: Acts as an elevated heat source, deepening low pressure.
    • Jet Stream Influence:
      • Subtropical Westerly Jet (STWJ) shifts north of Himalayas, allowing the monsoon trough.
      • Tropical Easterly Jet (TEJ) develops, enhancing moisture flow.
    • Local Triggers: Orographic uplift along Western Ghats, NE Hills, and Indo-Gangetic plains causes heavy rains.

    What is Retreat/Withdrawal of Monsoon?

    • Earliest Withdrawal (2025): Began Sept 14 from western Rajasthan — earliest in a decade (normal = Sept 17).
    • Withdrawal Process: Gradual, completes by mid-October.
    • IMD Withdrawal Criteria:
      1. Development of anti-cyclonic circulation at lower troposphere.
      2. No rainfall for 5 consecutive days over the region.
      3. Prevalence of dry weather conditions.
    • Seasonal Marker: IMD fixes Sept 30 as the official end of SW monsoon.
    • Agricultural Role: Retreat moisture crucial for Rabi crop sowing.

    Influencing Factors for Monsoon Retreat:

    • Seasonal Cooling: Reduced solar heating over land in September weakens low pressure.
    • Pressure Gradient Reversal: High pressure redevelops over NW India, collapsing SW winds.
    • ITCZ Shift: Moves back southwards towards the equator, reversing wind patterns.
    • Jet Stream Role: TEJ weakens, westerlies return, pushing out moist winds.
    • Topography & Seas: Coastal and mountainous regions (e.g., SE peninsula, Bay of Bengal) may still receive residual/post-monsoon showers.
    • Mascarene Highs: As SH winter ends, Mascarene highs weaken, cross-equatorial inflow diminishes, aiding withdrawal.

    Climatic Phenomena affecting the Indian Monsoon:

    1. ENSO (El Niño–Southern Oscillation):

    • ENSO originates in the equatorial Pacific Ocean and strongly influences the Pacific Walker Circulation (PWC).
      1. El Niño years: The eastern and central Pacific waters warm up. This weakens the Walker circulation and reduces the flow of moisture-laden winds from the Mascarene Highs towards India. As a result, the monsoon becomes weak or deficient, often leading to droughts.
      2. La Niña years: The opposite happens; Pacific waters cool, the Walker circulation strengthens, and strong cross-equatorial winds from the Mascarene Highs bring more moisture into India. Monsoon rainfall is usually above normal, sometimes leading to floods.
    • Key point: ENSO acts like a “remote controller” sitting in the Pacific but directly influencing the strength of the Indian monsoon winds.

    2. Indian Ocean Dipole (IOD):

    • The Indian Ocean itself has its own seesaw pattern of sea surface temperatures.
      • Positive IOD: Western Indian Ocean (near Africa) is warmer, and eastern Indian Ocean (near Indonesia) is cooler. This strengthens cross-equatorial winds from the Mascarene Highs, feeding more moisture into India. Result: Good rainfall, strong monsoon, even if El Niño is present.
      • Negative IOD: Western Indian Ocean is cooler, eastern side is warmer. This pulls away monsoon winds from India and weakens the rainfall.
    • Key point: IOD is a “local driver” sitting in the Indian Ocean, which can either amplify or cancel out ENSO’s effect.

    3. ENSO–IOD Interaction:

    • Monsoon outcome is not decided by ENSO or IOD alone, but by how they combine:
      • El Niño + Positive IOD: IOD can cancel El Niño’s bad effect (1997 monsoon was near normal).
      • El Niño + Negative IOD: Worst-case combo, often brings severe droughts.
      • La Niña + Positive IOD: Both reinforce each other, leading to very heavy rainfall and flood risk.
      • ENSO Neutral + Positive/Negative IOD: IOD becomes the deciding factor.

    The Big Picture:

    • Pacific Walker Circulation is the “conveyor belt” moving rising and sinking air across the Pacific and Indian Oceans.
      • When it shifts east (El Niño): India gets less rain.
      • When it strengthens west (La Niña): India gets more rain.
    • IOD modifies this system locally in the Indian Ocean-  it can either buffer or worsen ENSO’s impact.
    • The Mascarene Highs act as the main “engine room” for cross-equatorial winds, but the Walker circulation and IOD decide how strong that engine runs.
    • Madden–Julian Oscillation (MJO): An eastward-moving pulse of cloud and rainfall that travels around the equator every 30–60 days.
      • MJO decides the intra-seasonal variability: when it rains heavily (active phase) and when dry breaks occur.

     

    [UPSC 2012] Consider the following statements:

    1. The duration of the monsoon decreases from southern India to northern India.

    2. The amount of annual rainfall in the northern plains of India decreases from east to west.

    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

     

    [UPSC 2017] With reference to ‘Indian Ocean Dipole (IOD)’ sometimes mentioned in the news while forecasting Indian monsoon, which of the following statements is/are correct?

    1. The IOD phenomenon is characterized by a difference in sea surface temperature between tropical Western Indian Ocean and tropical Eastern Pacific Ocean.

    2. An IOD phenomenon can influence an El Nino’s impact on the monsoon.

    Select the correct answer using the code given below:

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

     

  • Konkan Geoglyphs may be 24,000 years old

    Why in the News?

    The prehistoric geoglyphs of the Konkan coast may date back as far as 24,000 years, based on new stratigraphic evidence from Koloshi caves in Maharashtra.

    Konkan Geoglyphs may be 24,000 years old

    About Konkan Geoglyphs:

    • Overview: Prehistoric rock engravings (geoglyphs/petroglyphs) carved on laterite plateaus of the Konkan coast (Maharashtra, Goa, southern Karnataka).
    • Depictions: Humans, animals (elephants, tigers, rhinos, stingrays, turtles, peacocks), and abstract motifs.
    • Technique: Created by scooping, etching, pecking into laterite; grooves 3–5 cm deep, 3–4 cm wide.
    • Unique Feature: Unlike painted caves (e.g., Bhimbetka), these are open-air geoglyphs, rare in India.
    • Cultural Value: Provide insights into prehistoric ecology, rituals, and transition from hunter-gatherer to agrarian societies.

    Important Sites:

    • Maharashtra (Ratnagiri–Sindhudurg): Ratnagiri alone hosts 1,500+ carvings across 210 sq. km.
      • Kasheli: Giant elephant (13×18 m), 125+ carvings of sharks, stingrays, rhinos (though locally absent), tigers.
      • Barsu: Human figure flanked by two tigers, resembling Harappan seals. Local are protesting a proposed oil refinery which might demolish this site.
      • Rundhye Tali: Concentric circles, abstract motifs, jellyfish/tiger outlines.
      • Devache Gothane: Standing human figure; linked to magnetic deflection anomaly.
      • Devi Hasol: Snake-like square design (8 m); still part of Aryadurga temple rituals.
      • Jambharun, Ukshi, Kudopi: Faunal + abstract petroglyphs.
    • Goa:
      • Usgalimal (Phansaymal): Bulls, deer, spirals, cup marks, grinding grooves.

    History and Antiquity:

    • Dating: Traditionally ~10,000 years old; new excavations at Koloshi caves push age back to 24,000 years (cultural layers ~38,000 years).
    • Continuity: Geoglyph-making persisted till the early historic period, showing ritual and symbolic evolution.
    • Ecological Record: Depict species long extinct in Konkan (rhinoceros, hippopotamus), indicating Pleistocene fauna.
    • World Context: Compared with Nazca Lines (Peru), Atacama Giant (Chile), and Blythe Intaglios (US) — Konkan geoglyphs are smaller but more intricate and ecologically detailed.
    • UNESCO Status: On India’s Tentative List (2022); nomination under preparation for 2027–28 cycle.
    [UPSC 2024] Consider the following properties included in the World Heritage List released by UNESCO:

    1. Shantiniketan 2. Rani-ki-Vav 3. Sacred Ensembles of the Hoysalas 4. Mahabodhi Temple Complex at Bodhgaya

    How many of the above properties were included in 2023?

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

     

  • India’s only active volcano in Andaman’s Barren Island erupts

    Why in the News?

    Barren Island, which is not only India’s but South Asia’s only active volcano, has erupted twice in a span of eight days.

    barren island

    About Barren Island:

    • Location: In the Andaman Sea, about 138–140 km northeast of Port Blair, within the Andaman and Nicobar Islands (India).
    • Unique Status: The only confirmed active volcano in the Indian subcontinent and South Asia, lying on the volcanic arc between Sumatra (Indonesia) and Myanmar.
    • Geophysical Features: Roughly circular island (~3 km diameter); volcanic crater located 0.5 km from shore, rising to 354 m above sea level and classified as a stratovolcano made of lava, volcanic ash, and rock fragments.
    • Volcanic Activity
      • First Recorded Eruption: 1787.
      • Notable Eruptions: 1789, 1795, 1803–04, 1852, 1991, 2017, and minor eruptions in 2025.
      • 1991 Eruption: Lasted ~6 months, destructive to local fauna.
      • Volcanic Explosivity Index (VEI): Generally low, around 2.
    • Geological Significance:
      • Age of Flows: Oldest subaerial lava flows dated to 1.6 million years ago.
      • Crust: Built on 106 million-year-old oceanic crust.
      • Tectonics: Part of the subduction zone where the Indian Plate meets the Burmese Plate.
      • Research Value: Critical for geological and volcanic studies as India’s only active volcano.

    Note:

    Although there are no active volcanoes in mainland India, there are some extinct and dormant volcanoes in the country. These are: Narcondam Island (dormant, A&N Islands); Deccan Plateau (18.51°N 73.43°E; extinct, Maharashtra); Baratang Island (mud volcanoes; active, A&N Islands); Dhinodhar Hills (extinct, Gujarat); Dhosi Hill (extinct, Haryana–Rajasthan border); Tosham Hills (extinct, Haryana); and Loktak Lake (Supervolcanic caldera, Manipur).

    [UPSC 2018] Consider the following statements:

    1. The Barren Island volcano is an active volcano located in the Indian territory.
    2. Barren Island lies about 140 km east of Great Nicobar.
    3. The last time the Barren Island volcano erupted was in 1991 and it has remained inactive since then.

    Which of the statements given above is/are correct?

    (a) 1 only*

    (b) 2 and 3

    (c) 3 only

    (d) 1 and 3

  • The Left we need: The Legacy of Indian Socialism

    Introduction

    Once a vibrant stream of India’s political life, socialism today survives only on the margins, overshadowed by dominant political narratives. The Samajwadi Ekjutata Sammelan attempted to revive this forgotten legacy by recalling socialist icons, showcasing their contributions, and highlighting the ideological resources they left behind. Unlike European social democracy or Marxism, Indian socialism, particularly articulated by Ram Manohar Lohia, offered a distinct doctrine—integrating caste, gender, and cultural politics with economic equality and Gandhian satyagraha. At a time when the world grapples with inequality, climate change, and rising authoritarianism, revisiting Indian socialism is not just about remembering the past, but about reclaiming tools for the future.

    Why in the News?

    The 90th anniversary of the socialist movement was commemorated through a large convention in Pune, bringing together activists, veterans of the Emergency resistance, and younger voices. This event is significant because it highlights the amnesia and disjunction surrounding socialism in India today, where even icons like JP, Usha Mehta, and Kamaladevi Chattopadhyay are remembered for roles outside the socialist tradition. The Sammelan underscored a major problem: the ideological vacuum created by the neglect of Indian socialism, just when its core ideas, on inequality, sustainable development, cultural politics, and resistance to authoritarianism, are urgently needed. The striking aspect is not just nostalgia, but the contrast between socialism’s past centrality and its near invisibility in today’s discourse.

    The Legacy of Indian Socialism

    1. Founding of Congress Socialist Party (1934): Socialist stream within Congress connected political freedom with social and economic equality.
    2. Quit India Movement: JP, Lohia, Usha Mehta and others led underground resistance, marking socialism’s high point in the freedom struggle.
    3. Post-Independence Role: Departure from Congress to form an independent opposition, mobilising backward castes and the poor, especially in the Hindi belt.
    4. Emergency Resistance: Socialist leaders like Rajkumar Jain, Vijay Pratap, and Anand Kumar stood against authoritarianism, spending months in jail.

    Why is Socialism Fading from Public Memory?

    1. Amnesia: Young people today conflate socialists with communists or Maoists, erasing the distinctiveness of the socialist tradition.
    2. Disjunction in Memory: JP Narayan is remembered as Gandhian, Kamaladevi for handicrafts, Usha Mehta as freedom fighter—none as socialists.
    3. Neglect of Ideas: Unlike communists, socialists lacked a robust academic subculture and access to English-speaking opinion-makers.
    4. Absence of Popular Recall: Figures like Yusuf Meherally, Achyut Patwardhan, Madhu Limaye, and S.M. Joshi remain unknown to today’s youth.

    Distinctive Ideas of Indian Socialism

    1. Expanded Equality: Beyond economics, it included caste, gender, race, nationality, relevant to debates on women’s reservation, caste census, and subquotas.
    2. Alternative Development Model: Critiqued technocratic-industrial path; emphasised sustainable well-being, now crucial amid climate change.
    3. Satyagraha as Politics: Advocated Gandhian non-violent resistance as an alternative to violence or electoralism.
    4. Cultural Politics: Rooted in Indian languages and traditions, countering hegemonic cultural nationalism with inclusive symbols.

    Why Does Indian Socialism Matter Today?

    1. Counter to Inequality: Rising global inequality makes Lohia’s expanded framework urgent.
    2. Democratic Deepening: Socialists played key role in mobilisation of backward castes and poor, essential for inclusive democracy.
    3. Resistance to Authoritarianism: With a consistent history of fighting Emergency and excesses, socialism offers principled tools to resist authoritarian regimes.
    4. Global Relevance: By abjuring Eurocentric roots, Indian socialism contributed a new doctrine to world thought.

    Conclusion

    The decline of Indian socialism is not just the fading of a political ideology but the loss of a moral and intellectual compass that once challenged inequality and authoritarianism. The Sammelan in Pune reminded us that socialism is more than an electoral project; it is a resource for reimagining democracy and justice in the 21st century. Whether or not the label survives, its ideas remain indispensable. The real challenge lies in recalling, renewing, and repurposing socialism to confront contemporary crises.

    PYQ Relevance

    [UPSC 2020] Since the decade of the 1920s, the national movement acquired various ideological strands and thereby expanded its social base. Discuss.

    Linkage: Since the 1920s, the national movement diversified ideologically with strands like socialism, which linked political freedom with social and economic equality. Socialists such as JP and Lohia expanded the movement’s base by mobilising peasants, backward castes, women, and workers, while also shaping resistance during Quit India and the Emergency. This ideological pluralism deepened democracy and widened the social foundations of Indian politics.

    Value Addition

    History of Socialism in Pre-Independent India

    Early Currents (1920s–1930s)

    1. Global Influence: The Russian Revolution (1917) electrified Indian youth. Marxist ideas about class struggle and collective ownership inspired a generation disillusioned with colonial exploitation.
    2. Indian Context: The non-cooperation movement (1920–22) radicalised many students and workers. Young leaders like S.A. Dange, M.N. Roy, Nalini Gupta, Muzaffar Ahmad started bringing socialist ideas into India.
    3. Labour & Peasant Movements: The formation of AITUC (All India Trade Union Congress, 1920) and Kisan Sabhas gave socialism a practical ground.

    Formation of the Congress Socialist Party (1934)

    1. Background: Many young nationalists within the Congress felt that Congress under Gandhi was too focused on political freedom without a social revolution.
    2. Founding: The Congress Socialist Party (CSP) was founded in Patna, 1934 by Jayaprakash Narayan, Acharya Narendra Deva, Ram Manohar Lohia, Yusuf Meherally, and others.

    Objectives:

    1. Radicalise the Congress by linking freedom with social & economic equality.
    2. Advocate land reforms, redistribution of wealth, end of caste discrimination.
    3. Maintain distance from the Communists but work inside the Congress unlike them.

    Impact: CSP became the ideological left-wing of the Congress, drawing in students, workers, peasants, and socially progressive leaders.

    Role in the Quit India Movement (1942)

    • Context: With the launch of Quit India (August 1942), much of the mainstream Congress leadership was arrested.

    Socialist Contribution:

    1. Socialists like JP, Lohia, Usha Mehta, Aruna Asaf Ali kept the movement alive underground.
    2. Usha Mehta ran the Secret Congress Radio, broadcasting messages against British rule.
    3. JP and Lohia organised clandestine networks, strikes, and sabotage against colonial infrastructure.

    Significance: This gave socialism a heroic image of sacrifice and resistance, showing it could sustain the national struggle when the mainstream was paralysed.

    Peasant & Worker Mobilisation

    1. Kisan Sabhas: Led by Swami Sahajanand Saraswati in Bihar and N.G. Ranga in Andhra, peasants were mobilised against landlordism, high rents, and colonial agrarian policies.
    2. Labour Strikes: Socialist leaders engaged with trade unions and AITUC, mobilising railway workers, mill workers, and dockyard labourers.
    3. Linkage with Socialism: These movements translated the abstract ideals of socialism into mass struggles, rooting the ideology in agrarian and working-class realities.

    Other Key Developments

    1. Students’ Movement: Socialist ideas found strong resonance in the All India Students’ Federation (AISF) and later the Socialist Youth movements.
    2. Princely States Movements: Socialists often took leadership in agitations in princely states (like Travancore, Hyderabad), linking freedom with social justice.
    3. Intellectual Contribution: Leaders like Acharya Narendra Deva (theorist), JP (activist organiser), Lohia (thinker & mass mobiliser) gave socialism in India both intellectual depth and activist energy.

    Summary

    1. By the 1940s, socialism in India was not merely an imported ideology—it had become a home-grown political stream, deeply connected to the freedom struggle. Its distinctiveness lay in:
    2. Rooting Marxist equality in Indian realities of caste, agrarian hierarchy, and colonial exploitation.
    3. Combining Gandhian satyagraha with socialist radicalism.
    4. Mobilising peasants, workers, students, women, and backward castes, thereby expanding the social base of the national movement.

    Socialist Principles in the Indian Constitution

    Explicit Reference:

    • Preamble (42nd Amendment, 1976): India declared to be a “Socialist, Secular, Democratic Republic.”

    Directive Principles of State Policy (DPSP):

    1. Article 38: Promote welfare of people through a just social order.
    2. Article 39: Equitable distribution of resources, prevention of wealth concentration, protection of workers’ rights.
    3. Article 41: Right to work, education, and public assistance.
    4. Article 43: Living wage, decent working conditions, and participation of workers in management.
    5. Article 47: Duty of state to improve public health, nutrition, and prohibition of intoxicants.

    Comparative Analysis: Indian vs. Western Socialism

    Aspect Western Socialism Indian Socialism
    Origins Industrial Revolution (Europe, 19th c.), Marxist critique of capitalism. Freedom struggle (20th c.), influenced by Gandhi + Lohia + JP + Marxism.
    Focus Class-based equality (workers vs capitalists). Multi-dimensional equality (caste, class, gender, nationality).
    Method Revolution (Marxist), or reform (social democracy). Democratic, non-violent satyagraha + electoral politics.
    State Role Welfare state ensuring redistribution, public ownership of key industries. Mixed economy with state-led planning (Nehruvian model) + constitutional guarantees.
    Culture & Identity Largely secular, materialistic basis. Rooted in Indian culture, language, symbols (Lohia’s “cultural politics”).
    Developmental Model Industrialisation as progress. Critique of technocratic-industrial model, stress on sustainability & decentralisation.

     

  • Commissioning of Oju Hydel Project

    Why in the News?

    The Union Environment Ministry has cleared the 2,220 MW Oju Hydroelectric Project on the Subansiri River in Taksing, Upper Subansiri district, near the China border.

    About the Oju Hydroelectric Project:

    • Capacity & Location: A 2,220 MW run-of-river hydro project on the Subansiri River at Taksing, Upper Subansiri district, Arunachal Pradesh, near the China border.
    • Infrastructure:
      • Dam: 93 m high, 355 m long concrete gravity dam.
      • Tunnels: Two diversion tunnels, 14.17 km headrace tunnel.
      • Powerhouse: Underground, with 8 turbines of 231.25 MW each.
    • Hydrology: Catchment area 9,827 sq. km; average annual yield 11,339 million cubic meters.

    Significance of the Project:

    • Hydro Cascade: Largest in Subansiri basin, upstream of projects like Niare, Naba, Nalo, Dengser, Upper & Lower Subansiri, making it vital for basin-wide energy planning.
    • Border Security: Strengthens India’s strategic presence near China border through infrastructure development.
    • Energy Security: Provides clean power at ~₹5.65/kWh, supporting renewable targets and reducing fossil dependence.

    Back2Basics: Subansiri River

    Commissioning of Oju Hydel Project

    • Also called the Gold River, it is the largest tributary of the Brahmaputra, about 518 km long with a 32,640 sq. km basin.
    • It originates in Lhuntse County, Tibet, flows through Upper Subansiri district (Arunachal Pradesh), and enters India via the Miri Hills.
    • The Upper Subansiri refers to its Himalayan origin stretch, while the Lower Subansiri marks its descent into the Assam Valley through Lower Subansiri district.
    • It joins the Brahmaputra at Jamurighat/Majuli Island in Assam; key tributaries are Rangandi, Dikrong, Kamle, Char Chu, and Tsari Chu.
    • Known for floods, rapids, and hydropower projects like the Lower Subansiri, the river also carries cultural importance in Tibet’s Tsari region.

  • Super Typhoon Ragasa

    Why in the News?

    China is planning to evacuate 4 lakh people ahead of the landfall of Super Typhoon Ragasa.

    Super Typhoon Ragasa

    About Typhoon & Super Typhoon:

    • Typhoon: A tropical cyclone forming in the Western Pacific Ocean and China Sea, usually above sea temperatures of 27°C.
    • Formation: Warm, moist air rises and creates a low-pressure system with spiralling winds.
    • Super Typhoon: Defined by the US Joint Typhoon Warning Center (JTWC) as sustained winds of ≥240 km/h (some agencies use 185 km/h).
    • Structure:
      • Eye: Calm centre.
      • Eyewall:  Strongest winds and rainfall.
      • Spiral Rainbands: Bands of showers spreading outward.
    • Impacts: Can cause storm surges, coastal flooding, landslides, and destruction of infrastructure, agriculture, and homes.

    Back2Basics: Tropical Cyclones

    • What is it: Large low-pressure systems over warm oceans, marked by rotating winds, heavy rain, and storm surges.
    • Conditions: Form when ocean temps >27°C, with moist rising air releasing latent heat to fuel convection.
    • Rotation: Driven by the Coriolis force – anticlockwise in Northern Hemisphere, clockwise in Southern.
    • Structure: Eye (calm), Eyewall (violent winds/rains), Rainbands (widespread showers).
    • Regional Names: Typhoons (Pacific), Hurricanes (Atlantic/Caribbean), Cyclones (Indian Ocean).
    • Drivers & Frequency: Common in Southeast Asia due to warm Pacific waters, El Niño/La Niña cycles, and climate change.
    • Impacts: Loss of life, property damage, flooding, soil salinisation, displacement, and disease outbreaks.
    • Climate Change Link: Global warming is making tropical cyclones stronger, less predictable, and more frequent, raising risks for coastal populations.

     

    [UPSC 2020] Consider the following statements:

    1. Jet streams occur in the Northern Hemisphere only.

    2. Only some cyclones develop an eye.

    3. The temperature inside the eye of a cyclone is nearly 10°C lesser than that of the surroundings.

    Which of the statements given above is/are correct?

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

     

  • Earth gains new tiny ‘Quasi-Moon’ 2025 PN7

    Earth gains new tiny 'Quasi-Moon' 2025 PN7

    Why in the News?

    Astronomers have confirmed the discovery of asteroid 2025 PN7, Earth’s latest quasi-moon.

    About Quasi-Moon 2025 PN7:

    • Discovery: First detected on 2 August 2025 by the Pan-STARRS 1 telescope in Hawaii; confirmed in September 2025 as Earth’s newest quasi-satellite.
    • Orbit: Circles the Sun, not Earth, but remains near Earth due to a 1:1 orbital resonance – meaning it completes one solar orbit in the same time as Earth.
    • Distance from Earth: At closest, ~299,000 km, similar to the Moon’s distance.
    • Physical Traits: Roughly 19 metres wide, very faint (magnitude 26.4), requiring large telescopes to track.
    • Orbital Parameters: Semi-major axis 1.003 AU (same as Earth), eccentricity 0.108 (slightly oval), inclination just under 2°.
    • Arjuna Nature: Fits the Arjuna asteroid class criteria – extremely Earth-like orbit, low eccentricity, and low inclination, making it appear as a temporary companion.
    • Stability: Expected to remain a quasi-satellite for ~128 years before shifting into another orbital configuration.

    What is the Arjuna Asteroid Class?

    • Overview: A rare group of near-Earth objects (NEOs) with orbits closely matching Earth’s path around the Sun.
    • Etymology: Originated with the discovery of asteroid 1991 VG by astronomer Robert H. McNaught at the Siding Spring Observatory in Australia in 1991.
    • Name Origin: Inspired by Arjuna from the Mahabharata – symbolising fast-moving and elusive objects.
    • Special Traits:
      • Can approach Earth more closely than most asteroid families.
      • Sometimes become temporary mini-moons or quasi-satellites.
      • Have relatively low relative velocities, making them attractive for spacecraft missions.
    • Scientific Importance:
      • Offer natural laboratories for studying orbital resonance and gravitational effects.
      • Useful for testing asteroid mining and redirection technologies.
      • Significant for planetary defence, since tracking their movements refines collision risk predictions.
    [UPSC 2023] Consider the following pairs:

    Object in space – Description

    1. Cepheids – Giant clouds of dust and gas in space

    2. Nebulae – Stars which brighten and dim periodically

    3. Pulsars – Neutron stars that, are formed when massive stars run out of fuel and collapse

    How many of the above pairs are correctly matched?

    (a) Only one * (b) Only two (c) All three (d) None

     

  • 7 Natural Heritage Sites from India added to UNESCO’s Tentative List

    Why in the News?

    Seven natural heritage sites from India were added to UNESCO’s Tentative List of World Heritage Sites, raising India’s tally from 62 to 69 places.

    About the 7 newly added UNESCO Tentative List Sites:

    Site

    Detailed Facts
    Deccan Traps (Panchgani & Mahabaleshwar, Maharashtra) • One of the world’s largest volcanic provinces (~66 mya)
    • Basalt lava flows covering ~500,000 sq. km
    • Step-like “trap” topography, fossil beds, red bole layers
    • Linked to end-Cretaceous mass extinction
    • Part of Western Ghats; within Koyna Wildlife Sanctuary
    St. Mary’s Island Cluster (Udupi, Karnataka) • Four islands in Arabian Sea near Udupi
    • Famous for hexagonal/polygonal rhyolitic lava columns (~85–88 mya)
    • Formed during breakup of India–Madagascar
    • Declared National Geo-heritage Monument (2016)
    • Rare acidic lava formations, unique in India
    Meghalayan Age Caves (East Khasi Hills, Meghalaya) • Mawmluh Cave is type locality for Meghalayan Age (~4,200 years ago)
    • Records global drought event in late Holocene
    • Meghalaya has longest sandstone cave (Krem Puri – 24.5 km)
    • Karst systems preserve stalagmites, paleoclimate archives
    • Culturally significant to Khasi tribes; threatened by mining
    Naga Hill Ophiolite (Nagaland) • 200 km belt of uplifted oceanic crust & mantle rocks
    • Composed of gabbro, peridotite, basalt
    • Formed at supra-subduction / mid-ocean ridge zones
    • Later thrust onto Indian continental plate
    • Only major ophiolite exposure in India; National Geological Monument
    Erra Matti Dibbalu (Red Sand Hills, Andhra Pradesh) • Quaternary-age coastal red sand mounds (~12,000–18,500 years old)
    • Spread over 5 km near Visakhapatnam
    • Derived from ancient Khondalite rocks
    • Record climate shifts, sea-level oscillations, monsoon history
    • Mesolithic–Neolithic artefacts found; National Geo-heritage Monument
    Tirumala Hills (Tirupati, Andhra Pradesh) • Famous for Eparchaean Unconformity (1.5 billion-year gap)
    • Boundary between Archaean gneiss & Proterozoic quartzites
    • Hosts Silathoranam natural arch, rare erosional landform
    • Hills rise to ~900 m; part of Cuddapah Basin
    • Combines geological, tectonic, and spiritual significance
    Varkala Cliff (Kerala) • Coastal cliff escarpment up to 80 m high
    • Exposes Mio-Pliocene Warkalli Formation (1.3–25 mya)
    • Fossiliferous sedimentary rocks beside sea (rare in India)
    • Natural springs and aquifers emerge from cliff face
    • Declared National Geological Monument; major tourism hub (Papanasam Beach)

    Back2Basics: UNESCO’s Tentative List

    • What is it: An inventory of cultural and natural sites that a member country plans to nominate for future World Heritage status.
    • Requirement: A site must stay on this list for at least one year before nomination.
    • Purpose: Allows UNESCO to assess Outstanding Universal Value (OUV) and plan conservation.
    • Note: Not all sites on the Tentative List become World Heritage Sites.
    • World Heritage Sites (WHS): Cultural, natural, or mixed sites recognised under the 1972 World Heritage Convention for their OUV.
    • Categories of WHS:
      • Cultural: Temples, monuments, forts, archaeological remains.
      • Natural: National parks, caves, biodiversity zones.
      • Mixed: Sacred landscapes with both cultural and natural value.
    • 10 Criteria for Selection: A site must satisfy at least one of these:
      • Cultural (i–vi): Masterpiece of human genius; interchange of values; unique cultural testimony; outstanding architecture/landscape; example of settlement/land use; linked to events, traditions, or ideas of universal significance.
      • Natural (vii–x): Exceptional natural beauty; example of Earth’s history; ecological or biological processes; key habitats for in-situ biodiversity conservation and threatened species.
    • India: It is currently a member of the UNESCO World Heritage Committee (2021–2025 term); Has 42 World Heritage Sites (34 cultural, 7 natural, 1 mixed).
    [UPSC 2024] Consider the following properties included in the World Heritage List released by UNESCO:

    1. Shantiniketan 2. Rani-ki-Vav 3. Sacred Ensembles of the Hoysalas 4. Mahabodhi Temple Complex at Bodhgaya

    How many of the above properties were included in 2023?

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