UPSC PSIR Optional Syllabus: Complete Paper 1 & Paper 2 and Strategy

UPSC Prelims

Current affairs

GS I

Current Affairs

Gajendra Singh Godara

Nov 11, 2025

10

mins read

UPSC PSIR Optional Syllabus
UPSC PSIR Optional Syllabus
UPSC PSIR Optional Syllabus
UPSC PSIR Optional Syllabus

UPSC PSIR Optional Syllabus for CSE Mains

UPSC PSIR Optional Syllabus for CSE Mains

UPSC PSIR Optional Syllabus for CSE Mains

UPSC PSIR Optional Syllabus for CSE Mains

Political Science and International Relations (PSIR) is an optional subject in the UPSC Civil Services exam. The political science optional syllabus covers Paper 1 which includes Political Theory, Indian Government and Politics, and Paper 2  includes Comparative Political Analysis, International Politics, India and the World. UPSC PSIR optional is popular among other optionals to choose from because it offers consistent scoring potential. It overlaps well with the General Studies syllabus.

Why choose UPSC PSIR as your optional subject?

Why choose UPSC PSIR as your optional subject?

Why choose UPSC PSIR as your optional subject?

Why choose UPSC PSIR as your optional subject?

  • High scoring potential: PSIR’s well-structured syllabus allows concise, analytical answers.

  • Overlap with GS: Many PSIR topics (like constitution, political theory, IR) reinforce General Studies (especially Polity and IR).

  • Current affairs: PSIR involves real-world politics and global events, which also helps in essay and ethics answers.

  • Essay/Ethics aid: Studying PSIR thinkers and ideas (e.g. Mill, Bentham, Gandhi, Ambedkar) can enrich answers in essay and ethics papers.

Join our WhatsApp Community

Join our WhatsApp Community

Join our WhatsApp Community

Join our WhatsApp Community

Who should take Political Science & International Relations (PSIR) as UPSC Optional?

Who should take Political Science & International Relations (PSIR) as UPSC Optional?

Who should take Political Science & International Relations (PSIR) as UPSC Optional?

Who should take Political Science & International Relations (PSIR) as UPSC Optional?

It suits candidates interested in politics, society or international affairs. Humanities and social science graduates often find it approachable. However, any aspirant with genuine interest in the subject can do well. Your academic background is less important than motivation.

Understanding the Exam Pattern: UPSC PSIR Optional

Understanding the Exam Pattern: UPSC PSIR Optional

Understanding the Exam Pattern: UPSC PSIR Optional

Understanding the Exam Pattern: UPSC PSIR Optional

  • Structure:The UPSC exam syllabus and structure is important before choosing the optional. The UPSC mains exam has two papers (Paper 1 & 2) of 250 marks each.

  • Static vs Dynamic: PSIR optional Paper 1 is mostly static theory and history; Paper 2 mixes theory with current international developments. Overall, about 40% static and 60% current affairs.

Add as a preferred Source on Google

Add as a preferred Source on Google

Add as a preferred Source on Google

Add as a preferred Source on Google

UPSC PSIR Optional Syllabus for Paper 1

UPSC PSIR Optional Syllabus for Paper 1

UPSC PSIR Optional Syllabus for Paper 1

UPSC PSIR Optional Syllabus for Paper 1

Political Theory and Indian Politics:

  1. Political Theory: meaning and approaches.

  2. Theories of state: Liberal, Neo-liberal, Marxist, Pluralist, Post-colonial, and Feminist.

  3. Justice: Conceptions of justice with special reference to Rawl’s theory of justice and its communitarian critiques.

  4. Equality: Social, political, and economic; the relationship between equality and freedom; Affirmative action.

  5. Rights: Meaning and theories; different kinds of rights; Concept of Human Rights.

  6. Democracy: Classical and contemporary theories; different models of democracy - representative, participatory and deliberative.

  7. Concept of power: hegemony, ideology, and legitimacy.

  8. Political Ideologies: Liberalism, Socialism, Marxism, Fascism, Gandhism, and Feminism.

  9. Indian Political Thought: Dharmashastra, Arthashastra, and Buddhist Traditions; Sir Syed Ahmed Khan, Sri Aurobindo, M. K. Gandhi, B. R. Ambedkar, M. N. Roy.

  10. Western Political Thought: Plato, Aristotle, Machiavelli, Hobbes, Locke, John S. Mill, Marx, Gramsci, Hannah Arendt.

Indian Government and Politics

  1. Indian Nationalism: 

    1. Political Strategies of India’s Freedom Struggle: Constitutionalism to mass Satyagraha, Noncooperation, Civil Disobedience; Militant and Revolutionary Movements, Peasant and Workers Movements.

    2. Perspectives on Indian National Movement; Liberal, Socialist, and Marxist; Radical Humanist and Dalit.

  2. Making of the Indian Constitution: Legacies of British rule; different social and political perspectives. 

  3. Salient Features of the Indian Constitution: The Preamble, Fundamental Rights and Duties, Directive Principles; Parliamentary System and Amendment Procedures; Judicial Review and Basic Structure doctrine.

  4. (a) Principal Organs of the Union Government: Envisaged role and actual working of the Executive, Legislature, and Supreme Court.
    (b) Principal Organs of the State Government: Envisaged role and actual working of the Executive, Legislature, and High Courts. 

  5. Grassroots Democracy: Panchayati Raj and Municipal Government; Significance of 73rd and 74th Amendments; Grassroot movements.

  6. Statutory Institutions/Commissions: Election Commission, Comptroller and Auditor General, Finance Commission, Union Public Service Commission, National Commission for Scheduled Castes, National Commission for Scheduled Tribes, National Commission for Women; National Human Rights Commission, National Commission for Minorities, National Backward Classes Commission.

  7. Federalism: Constitutional provisions; changing nature of center-state relations; integrationist tendencies and regional aspirations; inter-state disputes.

  8. Planning and Economic Development: Nehruvian and Gandhian perspectives; Role of planning and public sector; Green Revolution, land reforms and agrarian relations; liberalization and economic reforms.

  9. Caste, Religion, and Ethnicity in Indian Politics.

  10. Party System: National and regional political parties, ideological and social bases of parties; Patterns of coalition politics; Pressure groups, trends in electoral behavior; changing socio-economic profile of Legislators. 

  11. Social Movement: Civil liberties and human rights movements; women’s movements; environmentalist movements.

UPSC PSIR Optional Syllabus for Paper 2

UPSC PSIR Optional Syllabus for Paper 2

UPSC PSIR Optional Syllabus for Paper 2

UPSC PSIR Optional Syllabus for Paper 2

Comparative Politics & International Relations

  1. Comparative Political Analysis and International Politics:
    Comparative Politics
    : Nature and major approaches; Political economy and political sociology perspectives; Limitations of the comparative method.

  2. State in Comparative Perspective: Characteristics and changing nature of the State in capitalist and socialist economies, and advanced industrial and developing societies.

  3. Politics of Representation and Participation: Political parties, pressure groups and social movements in advanced industrial and developing societies.

  4. Globalisation: Responses from developed and developing societies.

  5. Approaches to the Study of International Relations: Idealist, Realist, Marxist, Functionalist and Systems theory.

  6. Key Concepts in International Relations:
    a.  National interest, security and power
    b. Balance of power and deterrence 

    c. Transnational actors and collective security
    d. World capitalist economy and globalisation.

  7. Changing International Political Order:

    1. Rise of superpowers; Strategic and ideological Bipolarity, arms race and cold war; Nuclear threat;

    2. Non-aligned movement: Aims and achievements.

    3. Collapse of the Soviet Union; Unipolarity and American hegemony; Relevance of non-alignment in the contemporary world. 

  8. Evolution of the International Economic System:
    a. From Bretton Woods to WTO
    b. Socialist economies and the CMEA (Council for Mutual Economic Assistance)
    c. Third World demand for new international economic order
    d.  Globalisation of the world economy.

  9. United Nations: Envisaged role and actual record; Specialized UN agencies—aims and functioning; the need for UN reforms.

  10. Regionalisation of World Politics: EU, ASEAN, APEC, AARC, NAFTA.

  11. Contemporary Global Concerns: Democracy, human rights, environment, gender justice terrorism, nuclear proliferation.

India and the World

  1. Indian Foreign Policy: Determinants of foreign policy; the institutions of policy-making; continuity and change. 

  2. India’s Contribution to the Non-Alignment Movement Different phases; Current role. 

  3. India and South Asia:

    1. Regional Co-operation: SAARC-past performance and future prospects.

    2. South Asia as a Free Trade Area.

    3. India’s “Look East” policy.

    4. Impediments to regional co-operation: River water disputes; illegal cross-border migration; Ethnic conflicts and insurgencies; Border disputes.

  4. India and the Global South: Relations with Africa and Latin America; Leadership role in the demand for NIEO and WTO negotiations. 

  5. India and the Global Centres of Power: USA, EU, Japan, China and Russia.

  6. India and the UN System: Role in UN Peace-keeping; Demand for Permanent Seat in the Security Council.

  7. India and the Nuclear Question: Changing perceptions and policy.

  8. Recent developments in Indian Foreign Policy: India’s position on the recent crises in Afghanistan, Iraq, and West Asia, growing relations with US and Israel; Vision of a new world order.

How to Approach UPSC PSIR Optional : Strategy

How to Approach UPSC PSIR Optional : Strategy

How to Approach UPSC PSIR Optional : Strategy

How to Approach UPSC PSIR Optional : Strategy

  • Build conceptual clarity: Start with core political theories and key thinkers.

  • Connect theory to current events: Apply PSIR concepts to modern examples, especially in international relations and Indian politics.

  • Integrate with GS: Study PSIR topics alongside General Studies subjects (e.g. Constitution, IR) to reinforce learning.

  • Study Plan: Cover static topics (theory, Indian politics) first, then focus on dynamic content (current affairs, international issues). Allocate specific time each week to each section.

  • Practice answer writing: Regularly write answers and essays. Use UPSC past questions to guide practice.

  • Revision & notes: Make concise notes or mind-maps for each topic. Revise regularly with summaries.

  • Avoid mistakes: Always use examples and case studies. Don’t ignore current affairs. Keep answers focused and time-bound.

Frequently asked question (FAQs)

As a beginner, would you find the PSIR optional syllabus difficult to master?
As a beginner, would you find the PSIR optional syllabus difficult to master?
As a beginner, would you find the PSIR optional syllabus difficult to master?
As a beginner, would you find the PSIR optional syllabus difficult to master?
What overlap is there between PSIR and GS papers?
What overlap is there between PSIR and GS papers?
What overlap is there between PSIR and GS papers?
What overlap is there between PSIR and GS papers?
Is it possible to finish the entire syllabus in 6-8 months?
Is it possible to finish the entire syllabus in 6-8 months?
Is it possible to finish the entire syllabus in 6-8 months?
Is it possible to finish the entire syllabus in 6-8 months?
Does PSIR favor specific educational backgrounds?
Does PSIR favor specific educational backgrounds?
Does PSIR favor specific educational backgrounds?
Does PSIR favor specific educational backgrounds?
What is the best division of static versus current affairs in PSIR?
What is the best division of static versus current affairs in PSIR?
What is the best division of static versus current affairs in PSIR?
What is the best division of static versus current affairs in PSIR?

Conclusion

Conclusion

For many UPSC aspirants PSIR has the advantage of scoring potential and relevance to the General Studies syllabus, and is therefore a strategic choice. A well-defined approach along with sustained engagement will enable PSIR to significantly augment your overall preparation. Begin the process early by carefully assessing the syllabus, formulating a structured study plan, and practicing answer writing. Keeping a steady focus will ensure that PSIR greatly enhances your UPSC exam preparation efforts.

Latest UPSC Exam 2025 Updates

Latest UPSC Exam 2025 Updates

Latest UPSC Exam 2025 Updates

Latest UPSC Exam 2025 Updates

UPSC Notification 2025 was released on 22nd January 2025.

UPSC Calendar 2026 is released on 15th May, 2025.

The UPSC Vacancy 2025 were released 1129, out of which 979 were for UPSC CSE and remaining 150 are for UPSC IFoS.

UPSC Mains 2025 will be conducted on 22nd August 2025.

UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.

The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.

UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!

UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.

Suggested posts

About Author

Gajendra Singh Godara

Growth | FTE| Resident at SigIQ

Gajendra Singh Godara brings authentic UPSC preparation insights from his four-attempt journey, having successfully cleared Prelims and written Mains multiple times. His deep expertise spans Polity, Modern History, International Relations, and Economy. At PadhAI, Gajendra transforms his extensive exam experience into accessible content that simplifies complex concepts for aspirants at every preparation stage. His firsthand understanding of UPSC's demands enables him to create targeted materials that save time while maximizing learning efficiency for current affairs, general studies, and optional subjects.

About Author

Gajendra Singh Godara

Growth | FTE| Resident at SigIQ

Gajendra Singh Godara brings authentic UPSC preparation insights from his four-attempt journey, having successfully cleared Prelims and written Mains multiple times. His deep expertise spans Polity, Modern History, International Relations, and Economy. At PadhAI, Gajendra transforms his extensive exam experience into accessible content that simplifies complex concepts for aspirants at every preparation stage. His firsthand understanding of UPSC's demands enables him to create targeted materials that save time while maximizing learning efficiency for current affairs, general studies, and optional subjects.

About Author

Gajendra Singh Godara

Growth | FTE| Resident at SigIQ

Gajendra Singh Godara brings authentic UPSC preparation insights from his four-attempt journey, having successfully cleared Prelims and written Mains multiple times. His deep expertise spans Polity, Modern History, International Relations, and Economy. At PadhAI, Gajendra transforms his extensive exam experience into accessible content that simplifies complex concepts for aspirants at every preparation stage. His firsthand understanding of UPSC's demands enables him to create targeted materials that save time while maximizing learning efficiency for current affairs, general studies, and optional subjects.

About Author

Gajendra Singh Godara

Growth | FTE| Resident at SigIQ

Gajendra Singh Godara brings authentic UPSC preparation insights from his four-attempt journey, having successfully cleared Prelims and written Mains multiple times. His deep expertise spans Polity, Modern History, International Relations, and Economy. At PadhAI, Gajendra transforms his extensive exam experience into accessible content that simplifies complex concepts for aspirants at every preparation stage. His firsthand understanding of UPSC's demands enables him to create targeted materials that save time while maximizing learning efficiency for current affairs, general studies, and optional subjects.

PadhAI UPSC App

We're PadhAI - a free UPSC prep app built by IITians, AI PhDs & top UPSC experts.

Why choose PadhAI?

Read daily top news (TH & IE) & Solve Current Affairs MCQs
Topic-wise search of 30+ yrs PYQs
24×7 AI tutor for doubt resolution
Practice 30k+ MCQs & full GS + CSAT mocks
Play Duel UPSC quizzes with fellow aspirants

Why choose PadhAI?

Read daily top news (TH & IE) & Solve Current Affairs MCQs

Topic-wise search of 30+ yrs PYQs

24×7 AI tutor for doubt resolution

Practice 30k+ MCQs & full GS + CSAT mocks

Play Duel UPSC quizzes with fellow aspirants

PadhAI UPSC App

We're PadhAI - a free UPSC prep app built by IITians, AI PhDs & top UPSC experts.

Why choose PadhAI?

Read daily top news (TH & IE) & Solve Current Affairs MCQs

Topic-wise search of 30+ yrs PYQs

24×7 AI tutor for doubt resolution

Practice 30k+ MCQs & full GS + CSAT mocks

Play Duel UPSC quizzes with fellow aspirants

PadhAI UPSC App

We're PadhAI - a free UPSC prep app built by IITians, AI PhDs & top UPSC experts.

Suggested posts

Suggested posts

Download PadhAI App

Don't get left behind in your preparation

Download PadhAI App

Don't get left behind in your preparation

Download PadhAI App

Don't get left behind in your preparation

Embark on your journey!

Address
393, 2nd Floor, 206, Phase, Vi-John Tower, 3, Phase II, Udyog Vihar, Sector 20, Gurugram, Haryana 122016
PadhAI is a product of SigIQ AI, and Metayb is a recognized reseller authorized to sell PadhAI subscriptions.
© 2025-2026, All Rights Reserved

Embark on your journey!

Address
393, 2nd Floor, 206, Phase, Vi-John Tower, 3, Phase II, Udyog Vihar, Sector 20, Gurugram, Haryana 122016
PadhAI is a product of SigIQ AI, and Metayb is a recognized reseller authorized to sell PadhAI subscriptions.
© 2025-2026, All Rights Reserved

Embark on your journey!

Address
393, 2nd Floor, 206, Phase, Vi-John Tower, 3, Phase II, Udyog Vihar, Sector 20, Gurugram, Haryana 122016
PadhAI is a product of SigIQ AI, and Metayb is a recognized reseller authorized to sell PadhAI subscriptions.
© 2025-2026, All Rights Reserved

Embark on your journey!

Address
393, 2nd Floor, 206, Phase, Vi-John Tower, 3, Phase II, Udyog Vihar, Sector 20, Gurugram, Haryana 122016
PadhAI is a product of SigIQ AI, and Metayb is a recognized reseller authorized to sell PadhAI subscriptions.
© 2025-2026, All Rights Reserved

Embark on your journey!

Address
393, 2nd Floor, 206, Phase, Vi-John Tower, 3, Phase II, Udyog Vihar, Sector 20, Gurugram, Haryana 122016
PadhAI is a product of SigIQ AI, and Metayb is a recognized reseller authorized to sell PadhAI subscriptions.
© 2025-2026, All Rights Reserved

Download PadhAI App

Don't get left behind in your preparation