The UPSC CSE is held in three stages - Preliminary Examination (Prelims), Main Examination (Mains), and Personality Test (Interview). While the Preliminary Examination and the Main Examination are paper-based examinations, the Personality Test (Interview) is a Viva-voce examination.
The syllabus for each paper of the Prelims Exam and Main Exam, as provided by the UPSC, consists of a list of topics that are only indicative in nature. However, one needs to understand what all needs to be studied in order to cover a topic comprehensively to clear both Prelims and Mains Examinations.
UPSC Prelims Paper-I: General Studies
Current Events of National Importance β News of national importance related to History and Culture, Geography, Social Issues, Polity & Governance, Economy, Internal Security, Environment, Science & Technology, etc.
Current Events of International Importance β Major news related to Indiaβs Bilateral Relations, International Organizations, Multilateral Bodies & Organizations, International Treaties & Agreements, etc.
History of Ancient India β Pre-History Period; Indus Valley Civilization; Vedic Period; Rise of Heterodox Sects such as Buddhism, Jainism, etc; Pre-Mauryan Period, Mauryan Period & Post-Mauryan Period; Gupta Period; Post-Gupta Period, etc
History of Medieval India β Early Medieval India; Delhi Sultanate; Mughal Period; Maratha Kingdom etc
History of Modern India β Period from the decline of Mughals upto establishment of British Rule in India; Revolt of 1857; Rise of Nationalism; Indiaβs Freedom Struggle etc
Physical Geography β Latitude & Longitude; Geomorphology; Oceanography; Climatology; Biogeography; Environmental Geography
Social and Economic Geography β Human population and its distribution and growth; Primary, Secondary, Tertiary, and Quaternary activities; Distribution of Minerals in India and the World; Location of Industries in India and the World; Agriculture in India and the World; Energy Resources, Transport etc in India and World.
World Geography β The continents and major geographic features therein such as Mountains, Plateaus, Rivers, etc.
Indian Geography β Physiographic Divisions of India; Drainage System of India; Indian Climate; Soils and Vegetations of India
Constitution of India β The Indian Constitution, its evolution and salient features; Preamble to the Indian Constitution; Citizenship; Fundamental Rights; Directive Principles of State Policy; Fundamental Duties; Amendment of the Constitution, etc
Legislature β Parliament; Parliamentary Committees; State Legislature; Major issues related to Legislature.
Executive β President; Vice President; Union Council of Ministers; Governor; State Council of Ministers; Local Self Governments including Panchayati Raj Institutions and Urban Local Bodies.
Judiciary β Supreme Court; High Court; Subordinate Courts; Major issues related to Indian Judiciary
Other areas β Major Constitutional Bodies; Major Non-Constitutional Bodies; Elections and Political Parties etc
Fundamentals of Economics β Factors of Production; Law of Demand and Supply; National Income Accounting etc
Growth and Development β Human Development; Poverty, Inequality and Inclusive Growth; Employment and Skill Development etc
Fiscal Policy in India β Development Planning and NITI Aayog; Government Annual Budgeting; Taxation System in India; Inflation; Business Cycles etc
Monetary Policy in India β Money and its supply; Reserve Bank of India and Banking System in India etc
Financial System in India β Money Market; Capital Market
Sectors of Indian Economy β Agriculture; Manufacturing and Industries; Service Sector etc
External Sector β Foreign Trade; Balance of Payment; Foreign Exchange, Foreign Investment etc
International Economic Organizations β World Bank; International Monetary Fund (IMF); World Trade Organization (WTO) etc
Other areas β Infrastructure such as Transport, Energy, etc; Investment Models, etc
Fundamental of Ecology and Ecosystem β basic terminologies such as Ecology, Ecosystem, Species, Speciation, Succession etc
Biodiversity β Animal Diversity, Plant Diversity and Marine Organisms in India and the World, etc
Protection and Conservation of Biodiversity β Protected Area Networks in India such as National Parks, Wildlife Sanctuaries, etc; Other Indian efforts for biodiversity conservation such as Environmental Acts & Policies, Environmental Institutions, etc; Global initiatives for biodiversity conservation such as Man And Biosphere (MAB) program, international environmental organizations and conventions, etc
Environmental Pollution β types of Pollution; Climate Change, Global Warming, Acid Rain, etc; Indian and international efforts to fight Climate Change.
Other areas β Farming Systems, Irrigation Systems, etc which aid in environmental protection
Biology β Cell Biology; Genetics; Human Physiology; Health and Diseases
Physics β Force and Laws of Motion; Work, Energy and Power; Fluids; Heat & Temperature; Wave Motion; Sound; Optics; Electrostatics; Magnetism etc.
Chemistry β Matter & its states; Structure of Atom; Classification of Elements; Chemical Reactions; Chemistry in everyday life.
UPSC Prelims Paper-II: CSAT
Reading Passages and answering questions based on them.
Verbal Interpretations; Analogies; Critical Reasoning etc
Sequence & Series; Coding & Decoding; Blood Relations
Venn Diagrams; Distance & Directions; Seating Arrangements; Puzzles
Ethical dilemmas and hypothetical questions based on them
Profit & Loss; Mixture & Alligations; Time & Work; Time & Distance
Geometry; Mensuration & Area
Partnerships; Clocks; Dices etc
Number Systems; LCM & HCF; Averages; Fractions; Ratio & Proportion
Averages; Percentage; Simple & Compound Interests etc
Pie Charts, Bar Graph, Line Graph, Tables etc.