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Home/Syllabus

UPSC CSE Syllabus 2026 — Complete GS & Optional Subjects

Complete syllabus for UPSC Civil Services Examination 2026. 163 subjects, 631 topics to master.

GS-1: Indian Heritage & Culture

History of India

History of India

History of India

History of India

History of India

History of India

History of India

GS-1: Modern Indian History

History of India

Ancient to Modern Indian History

Indian Polity & Governance

Indian Polity & Governance

Indian Polity & Governance

Indian Polity & Governance

Indian Polity & Governance

Indian Polity & Governance

GS-1: World History

Indian Polity & Governance

Indian Polity & Governance

Constitutional framework and governance

Indian & World Geography

Indian & World Geography

Indian & World Geography

Indian & World Geography

Indian & World Geography

Indian & World Geography

Indian & World Geography

Physical human and economic geography

Indian & World Geography

GS-2: Indian Constitution

Economic & Social Development

Economic & Social Development

Economic & Social Development

Economic & Social Development

Economic & Social Development

Economic & Social Development

Indian economy and development issues

Economic & Social Development

Economic & Social Development

GS-1: Indian Society

Environment & Ecology

Environment & Ecology

Environment & Ecology

Environment & Ecology

Environment & Ecology

Environment & Ecology

Ecology biodiversity and climate issues

Environment & Ecology

Environment & Ecology

GS-1: World Geography

General Science & Technology

General Science & Technology

General Science & Technology

General Science & Technology

General Science & Technology

General Science & Technology

GS-2: Federal Structure & Governance

General Science & Technology

General Science & Technology

Physics chemistry biology and technology

Art Culture & Sports

Art Culture & Sports

Art Culture & Sports

Art Culture & Sports

Art Culture & Sports

Art Culture & Sports

Indian heritage arts and sports

Art Culture & Sports

Art Culture & Sports

GS-2: Parliament & Executive

International Relations

International Relations

International Relations

International Relations

International Relations

International Relations

International Relations

GS-2: Constitutional & Statutory Bodies

International Relations

Foreign policy and world affairs

GS-2: Government Policies & Social Justice

GS-2: Governance & Accountability

GS-2: International Relations

GS-3: Indian Economy

GS-3: Agriculture

GS-3: Infrastructure & Industry

GS-3: Science & Technology

GS-3: Environment & Ecology

GS-3: Disaster Management

GS-3: Internal Security

GS-4: Ethics & Human Values

GS-4: Attitude & Emotional Intelligence

GS-4: Thinkers & Civil Service Values

GS-4: Public Admin Ethics & Probity

GS-1: Indian Heritage & Culture

GS-1: Indian Heritage & Culture

GS-1: Indian Heritage & Culture

GS-1: Modern Indian History

GS-1: Modern Indian History

GS-1: Modern Indian History

GS-1: World History

GS-1: World History

GS-1: World History

GS-1: Indian Society

GS-1: Indian Society

GS-1: Indian Society

GS-1: World Geography

GS-1: World Geography

GS-1: World Geography

Geography (Optional)

Geography (Optional)

GS-2: Indian Constitution

GS-2: Indian Constitution

GS-2: Indian Constitution

History (Optional)

GS-2: Federal Structure & Governance

GS-2: Federal Structure & Governance

GS-2: Federal Structure & Governance

Political Science & IR (Optional)

GS-2: Parliament & Executive

GS-2: Parliament & Executive

GS-2: Parliament & Executive

Sociology (Optional)

GS-2: Constitutional & Statutory Bodies

GS-2: Constitutional & Statutory Bodies

GS-2: Constitutional & Statutory Bodies

Public Administration (Optional)

GS-2: Government Policies & Social Justice

GS-2: Government Policies & Social Justice

GS-2: Government Policies & Social Justice

Anthropology (Optional)

GS-2: Governance & Accountability

GS-2: Governance & Accountability

GS-2: Governance & Accountability

GS-2: International Relations

GS-2: International Relations

GS-2: International Relations

GS-3: Indian Economy

GS-3: Indian Economy

GS-3: Indian Economy

GS-3: Agriculture

GS-3: Agriculture

GS-3: Agriculture

GS-3: Infrastructure & Industry

GS-3: Infrastructure & Industry

GS-3: Infrastructure & Industry

GS-3: Science & Technology

GS-3: Science & Technology

GS-3: Science & Technology

GS-3: Environment & Ecology

GS-3: Environment & Ecology

GS-3: Environment & Ecology

GS-3: Disaster Management

GS-3: Disaster Management

GS-3: Disaster Management

GS-3: Internal Security

GS-3: Internal Security

GS-3: Internal Security

GS-4: Ethics & Human Values

GS-4: Ethics & Human Values

GS-4: Ethics & Human Values

GS-4: Attitude & Emotional Intelligence

GS-4: Attitude & Emotional Intelligence

GS-4: Attitude & Emotional Intelligence

GS-4: Thinkers & Civil Service Values

GS-4: Thinkers & Civil Service Values

GS-4: Thinkers & Civil Service Values

GS-4: Public Admin Ethics & Probity

GS-4: Public Admin Ethics & Probity

GS-4: Public Admin Ethics & Probity