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UPSC CSE Syllabus 2020 for Preliminary & Main Examination. Check the detailed syllabus for IAS exam which is scheduled to be held on 31 May 2020. Here we are sharing IAS syllabus in Hindi & English along with PDF Downloads for both Pre & Mains. UPSC CSE is the most competitive as is conducted nationwide to recruit various All India Services and Central Services of the Government of India. The most coveted services include IAS, IPS, IFS, and IRS among others. Candidates preparing for the UPSC CSE are advised to once go through the syllabus for both Prelims & Mains. Take a hint from the previous year papers on most commonly asked topics of both phases and make the exam preparation effective and result oriented.

Prelims Exam

General Studies Paper I- (200 marks), Duration: 2 hours
  1. Current events of national and international importance
  1. History of India and Indian National Movement
  1. Indian and World Geography-Physical, Social, Economic Geography of India and the World
  1. Indian Polity and Governance - Constitution, Political System, Panchayati Raj, Public Policy, Rights Issues, etc
  1. Economic and Social Development - Sustainable Development, Poverty, Inclusion, Demographics, Social Sector initiatives, etc
  1. General issues on Environmental Ecology, Bio-diversity, and Climate Change - that do not require subject specialization General Science

CSAT- Paper II-(200 marks), Duration: 2 hours

  1. Comprehension
  1. Interpersonal skills including communication skills
  1. Logical reasoning and analytical ability
  1. Decision-making and problem solving
  1. General mental ability
  1. Basic numeracy (numbers and their relations, orders of magnitude, etc.) (Class X level),

Mains Exam

General Studies Paper I

GS-I: Indian culture will cover the salient aspects of Art Forms, Literature, and Architecture from ancient to modern times.

GS-I: Modern Indian history from about the middle of the eighteenth century until the present- significant events, personalities, issues

GS-I: The Freedom Struggle - its various stages and important contributors /contributions from different parts of the country.

GS-I: Post-independence consolidation and reorganization within the country.

GS-I: History of the world will include events from 18th century such as industrial revolution, world wars, redrawing of national boundaries, colonization, decolonization, political philosophies like communism, capitalism, socialism etc.- their forms and effect on the society.


GS-I: Salient features of Indian Society, Diversity of India.

GS-I: Role of women and women's organization,

GS-I: Population and associated issues,

GS-I: Poverty and developmental issues,

GS-I: Urbanization, their problems and their remedies.

GS-I: Effects of globalization on Indian society

GS-I: Social empowerment, communalism, regionalism & secularism.


GS-I: Salient features of the world's physical geography.

GS-I: Distribution of key natural resources across the world (including South Asia and the Indian sub-continent);

GS-I: Factors responsible for the location of primary, secondary, and tertiary sector industries in various parts of the world (including India)

GS-I: Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc.,

GS-I: Geographical features and their location- changes in critical geographical features (including water-bodies and ice-caps) and in flora and fauna and the effects of such changes.

Mains Exam

General Studies Paper-2

GS-II: Indian Constitution- historical underpinnings, evolution, features, amendments, significant provisions and basic structure.

GS-II: Functions and responsibilities of the Union and the States

GS-II: Issues and challenges pertaining to the federal structure

GS-II: Devolution of powers and finances up to local levels and challenges therein.

GS-II: Separation of powers between various organs dispute redressal mechanisms and institutions.

GS-II: Comparison of the Indian constitutional scheme with that of other countries

GS-II: Parliament and State Legislatures - structure, functioning, the conduct of business, powers & privileges and issues arising out of these.

GS-II: Structure, organization, and functioning of the Executive and the Judiciary Ministries and Departments of the Government;

GS-II: Pressure groups and formal/informal associations and their role in the Polity.

GS-II: Salient features of the Representation of People's Act.

GS-II: Appointment to various Constitutional posts, powers, functions, and responsibilities of various Constitutional Bodies.

GS-II: Statutory, regulatory and various quasi-judicial bodies


GS-II: Government policies and interventions for development in various sectors and issues arising out of their design and implementation.

GS-II: Development processes and the development industry the role of NGOs, SHGs, various groups and associations, donors, charities, institutional and other stakeholders

GS-II: Welfare schemes for vulnerable sections of the population by the Centre and States and the performance of these schemes;

GS-II: Mechanisms, laws, institutions, and Bodies constituted for the protection and betterment of these vulnerable sections

GS-II: Issues relating to the development and management of Social Sector/Services relating to Health, Education, Human Resources.

GS-II: Issues relating to the development and management of Social Sector/Services relating to Health, Education, Human Resources, issues relating to poverty and hunger.

GS-II: Important aspects of governance, transparency, and accountability, e-governance- applications, models, successes, limitations, and potential;

GS-II: Citizens charters, transparency & accountability and institutional and other measures.

GS-II: Role of civil services in a democracy.


GS-II: India and its neighbourhood- relations.

GS-II: Bilateral, regional and global groupings and agreements involving India and/or affecting India's interests

GS-II: Effect of policies and politics of developed and developing countries on India's interests, Indian diaspora.

GS-II: Important International institutions, agencies, and fora, their structure, mandate.

GS-III: Indian Economy and issues relating to planning, mobilization of resources, growth, development, and employment.

Mains Exam

General Studies Paper-3
Economic Development

GS-III: Inclusive growth and issues arising from it.

GS-III: Government Budgeting.

GS-III: Major crops cropping patterns in various parts of the country, different types of irrigation and irrigation systems storage, transport and marketing of agricultural produce and issues and related constraints; e-technology in the aid of farmers

GS-III: Issues related to direct and indirect farm subsidies and minimum support prices;

GS-III: Public Distribution System objectives, functioning, limitations, revamping;

GS-III: Issues of buffer stocks and food security;

GS-III: Technology missions; economics of animal-rearing.

GS-III: Food processing and related industries in India- scope and significance, location, upstream and downstream requirements, supply chain management.

GS-III: Land reforms in India.

GS-III: Effects of liberalization on the economy, changes in industrial policy and their effects on industrial growth.

GS-III: Infrastructure: Energy, Ports, Roads, Airports, Railways etc.

GS-III: Investment models.

Science & Tech, Environment and Disaster Management

GS-III: Science and Technology- developments and their applications and effects in everyday life

GS-III: Achievements of Indians in science & technology;

GS-III: Indigenization of technology and developing new technology.

GS-III: Awareness in the fields of IT, Space, Computers, robotics, nanotechnology, biotechnology

GS-III: Issues relating to intellectual property rights.

GS-III: Disaster and disaster management.

GS-III: Conservation, environmental pollution, and degradation, environmental impact assessment

Internal Security

GS-III: Role of external state and non-state actors in creating challenges to internal security.

GS-III: Money-laundering and its prevention

GS-III: Challenges to internal security through communication networks, the role of media and social networking sites in internal security challenges, basics of cyber security;

GS-III: Security challenges and their management in border areas;

GS-III: Linkages of organized crime with terrorism

GS-III: Various Security forces and agencies and their mandate

Mains Exam

General Studies Paper-4

GS-IV: Ethics and Human Interface: Essence, determinants, and consequences of Ethics in human actions; dimensions of ethics; ethics in private and public relationships.

GS-IV: Human Values - lessons from the lives and teachings of great leaders, reformers and administrators; the role of family, society and educational institutions in inculcating values.

GS-IV: Attitude: content, structure, function; its influence and relation with thought and behaviour; moral and political attitudes; social influence and persuasion.

GS-IV: Contributions of moral thinkers and philosophers from India and the world.

GS-IV: Case Studies on the above issues.


GS-IV: Public/Civil service values and Ethics in Public administration: Status and problems; ethical concerns and dilemmas in government and private institutions; laws, rules, regulations and conscience as sources of ethical guidance; accountability and ethical governance; strengthening of ethical and moral values in governance; ethical issues in international relations and funding; corporate governance.

GS-IV: Probity in Governance: Concept of public service; Philosophical basis of governance and probity; Information sharing and transparency in government, Right to Information, Codes of Ethics, Codes of Conduct, Citizen's Charters, Work culture, Quality of service delivery, Utilization of public funds, challenges of corruption.


GS-IV: Aptitude and foundational values for Civil Service, integrity, impartiality and non-partisanship, objectivity, dedication to public service, empathy, tolerance and compassion towards the weaker-sections.

GS-IV: Emotional intelligence-concepts, and their utilities and application in administration and governance.