Looking for the latest UPSC IAS Syllabus 2025? Get a complete guide to the UPSC Civil Services Exam syllabus for Prelims, Mains, and Interview with detailed subjects and exam pattern.
Introduction
The UPSC Civil Services Examination (CSE), also known as the IAS Exam, is India’s most prestigious competitive exam. It is conducted every year by the Union Public Service Commission (UPSC) to recruit candidates for top administrative positions like IAS, IPS, IFS, and IRS.
To succeed in UPSC, the first step is to understand the exam pattern and syllabus clearly. In this article, you will find the complete UPSC IAS syllabus 2025 explained in simple and structured language.
UPSC IAS Exam Pattern Overview
The exam is conducted in three stages:
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Preliminary Examination (Prelims) – Objective type test
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Main Examination (Mains) – Written, descriptive papers
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Personality Test (Interview) – Final round
UPSC Prelims Syllabus 2025
The Prelims has two papers of 200 marks each. Both papers are conducted on the same day.
Paper I – General Studies (GS I)
This paper is used for merit ranking. Subjects include:
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Current events of national & international importance
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Indian History & National Movement
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Indian and World Geography – Physical, Social, Economic
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Indian Polity & Governance – Constitution, Political System, Panchayati Raj, Rights Issues
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Economic & Social Development – Poverty, Inclusion, Sustainable Development, Demographics, Social Sector initiatives
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Environment, Ecology, Biodiversity, Climate Change
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General Science
Paper II – CSAT (Civil Services Aptitude Test)
This is a qualifying paper (33% required). Subjects include:
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Reading comprehension
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Interpersonal skills & communication
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Logical reasoning & analytical ability
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Decision-making & problem-solving
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Basic numeracy (Class 10 level)
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Data interpretation (Class 10 level)
UPSC Mains Syllabus 2025
The Mains exam is descriptive and has 9 papers in total.
Qualifying Papers
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Paper A – Indian Language (300 marks, from the 8th Schedule)
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Paper B – English (300 marks)
Merit Papers
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Paper I – Essay (250 marks)
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Paper II – General Studies I – Indian Heritage & Culture, History, Geography, Society
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Paper III – General Studies II – Polity, Constitution, Governance, International Relations
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Paper IV – General Studies III – Economy, Technology, Environment, Biodiversity, Disaster Management, Security
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Paper V – General Studies IV – Ethics, Integrity, Aptitude
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Paper VI – Optional Subject Paper 1 (250 marks)
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Paper VII – Optional Subject Paper 2 (250 marks)
UPSC Interview (Personality Test)
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Carries 275 marks
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Tests communication skills, confidence, decision-making, leadership qualities, honesty, and suitability for public service.
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Marks are added to Mains for the final merit list.
Optional Subjects for Mains
Candidates can select from 25+ subjects, including:
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History, Geography, Sociology, Public Administration, Political Science, Philosophy, Psychology, Economics
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Literature of Indian Languages (as per 8th Schedule)
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Science & Technical subjects like Mathematics, Physics, Engineering, Medical Science, etc.
Conclusion
The UPSC IAS syllabus may look vast, but with the right strategy, it is manageable. Begin with NCERT books, read newspapers daily, and practice answer writing to improve presentation skills.
Cracking UPSC requires discipline, consistency, and smart preparation. With proper planning, anyone can achieve their dream of becoming a civil servant.
