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Important Top 100 Topics for Prelims 2025

Prepare for UPSC Prelims 2025 with the top 100 important topics across subjects like Polity, Economics, Science, and Current Affairs for focused and effective study.

Important top 100 topics for Prelims 2025 are very necessary to cover as UPSC Prelims is not many days away as it is scheduled to be conducted on 25 May 2025. 

Important Top 100 Topics for Prelim 2025 act as a roadmap for focused preparation. By systematically covering these areas, you can improve your chances of success. In this article, we are categorizing the top 100 important topics for Prelim 2025, which can give you a clear edge in the exam and clear it successfully.

List of Important Topics for UPSC Prelims 2025

Important Topics of the UPSC Prelim and Main examination almost overlap but vary in their depth, concept, and facts. In prelims questions are inclined towards facts, basic knowledge and Here are the Important Top 100 Topics for Prelim 2025 classified under different subjects:

List of important topics for UPSC prelims 2025
Category Topics
Polity and Governance Constitution-making in British India, Constituent Assembly, Fundamental Rights, Directive Principles of State Policy, Emergency, Separation of Powers, Amendment to the Constitution, Basic Structure, Powers of Governors, Disqualification of Legislators, Rajya Sabha Elections, Uniform Civil Code, CAA, Model Prisons Act, Electoral Bonds, Prevention of Money Laundering Act, Foreign Exchange Management Act, Right to Marry, Delimitation Commission, EVMs, Enforcement Directorate, CBI, Government of National Capital Territory of Delhi (Amendment) Ordinance, 2023.
Geography Plate tectonics, Volcanism, Earthquakes, Climatic Phenomena (El Niño, La Niña, Indian Ocean Dipole), Cyclones, Monsoon, Global Climatic Types, Disasters (avalanches, flash floods), Dark Sky Reserve, Atlantification, Blue Ocean Event, Glacial Lake Outburst Flood (GLOF).
Economics and Trade Methods of Growth Calculation, Monetary Policy, RBI, Fiscal Policy, Budgeting, Banking in India, Capital Markets, WTO, IMF, World Bank, Inflation, Financial Market, Balance of Payment, Rare Earth Minerals, Free Movement Regime, Belt and Road Initiative, RCEP, India-UAE Free Trade Agreement, OPEC, Taxation in India, Trade Deficits, Coffee, Tea, Jute, GM Crops, MSP, Millets, Oil Seeds, Nano Urea, Nano DAP.
History Harappan Civilization, Vedic Civilization, Mauryan Period, Post-Mauryan Period, Gupta Period, Post Gupta Dynasties, Vijayanagara Kingdom, Bhakti Movement, Delhi Sultanate, Mughal Empire, Advent of Europeans, Regional Kingdoms, Indian Renaissance, Famous Personalities (Gopal Krishna Gokhale, Raja Ram Mohan Roy, Dayanand Saraswati), Indian National Congress, Indian Freedom Struggle, Civil Disobedience Movement, Indian Independence Act, 1947.
Environment and Ecology Methane Emissions, Project Tiger, Snow Leopard Census, Dugong Project, Cheetah Project, Plastic Overshoot Day, Biological Diversity (Amendment) Act, GRAP, Sovereign Green Bonds, Biofuels, E10 Fuel, Forest Conservation Act Amendment 2023.
Places on Map Cuba, Gaza Strip, Uzbekistan, Sittwe Port, Coco Islands, Maitree Super Thermal Power Plant, Gulf of Oman, Kakhovka Dam, Cam Ranh Bay, Strait of Hormuz, Timor Leste, Crimean Bridge, Nagorno Karabakh, Libya, Yanomami, Alexandria Port.
Art and Culture Temple Architecture in India, Mauryan Pillar Inscriptions, Sangam Literature, Buddhist and Jain Architectural Developments, Ajanta Paintings, Vijayanagara Architecture, Literature of Vedic Era, Stupa Architecture, Mauryan Architecture, Indian Classical and Folk Dances, Evolution of Modern Architecture, Indian Paintings.
Science and Technology Chandrayaan-3, Aditya L1 Mission, Supercomputers, Artificial Intelligence, Quantum Computing, Space Internet, NISAR Mission, Gaganyaan Mission, James Webb Telescope, GM Mustard, Nuclear Fusion, Li-ion Battery, Blockchain Technology, 3D and 4D Printing, Ever-greening of Patents.
International Relations I2U2, QUAD, AUKUS, BRICS, SCO, NATO, MERCOSUR, G20 Summit, G4, Paris Group, African Union, Arctic Council, UN Democracy Fund, WTO.
Governance and Policy Mission Vatsalya, National Action Plan for Snakebite Envenoming, MISHTI, Vibrant Villages Programme, UNNATI, iDEX Initiative, PM PRANAAM, Nano Turmeric Board, SIGHT Scheme, PM KISAN, Antyodaya Anna Yojana.
Miscellaneous Nobel Prize 2024 Winners, Bharat Ratna Awards, Padma Awards, Global Hunger Index, Global Innovation Index, Human Development Index, Global Terrorism Index, Logistics Performance Index, Henley Passport Index, Corruption Perceptions Index.

How to Prepare These Important Topics for UPSC Prelims 2025?

These important topics need to be covered on priority basis as these topics are highly probable for the UPSC Prelims Examination. To prepare for the Important Top 100 Topics for Prelim 2025, follow these tips:

  • Study NCERTs First: NCERT books provide a solid foundation for topics like history, geography, and polity.
  • Use Standard Reference Books: For in-depth knowledge, refer to books like Laxmikant for polity, Spectrum for modern history, and GC Leong for geography.
  • Regularly Read Newspapers: Keep track of current affairs by reading newspapers like The Hindu or Indian Express. Note down relevant topics.
  • Practice Mock Tests: Solving mock tests helps you identify weak areas and improve time management.
  • Revise Regularly: Create concise notes for the list of important topics for UPSC Prelims 2025 and revise them frequently.

Important Top 100 Topics for Prelim 2025 FAQs

Questions focus on developments in fields like space, biotechnology, AI, and environmental technology, often with a focus on India's contributions.

Yes, mock tests help in practicing time management, understanding the exam pattern, and improving accuracy in answering questions.

Yes, questions often cover the latest government schemes, their objectives, and their impact on various sectors.

 Prioritize topics with high weightage, maintain a consistent study schedule, and focus on conceptual clarity.

For UPSC 2025, focus on key areas like Polity, Economic Development, Environment, and Science & Technology. History, Geography, and Current Affairs also play a significant role, especially in recent events and government schemes.

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