PSIR Optional Booklist for UPSC: Paper 1 & 2 (2026)

Every PSIR aspirant starts in the same place: hunting for the perfect booklist. They collect fifteen titles, screenshot three different toppers' shelves, and feel productive. Then six months later they realise the problem was never the list — it was that they read every book the same way, passively, and remembered almost none of it.

So here is the honest version. Below is the PSIR optional booklist we actually use and recommend — lean, complete, and battle-tested. But read the second half too, because how you use these books decides your marks far more than which edition you own. Political Science & International Relations rewards thinkers, not collectors.

A Quick Word Before the List

The PSIR optional syllabus splits into two papers. Paper 1 covers Political Theory and Indian Government & Politics — largely static and conceptual. Paper 2 covers Comparative Politics, International Relations, and India and the World — a conceptual base plus heavy current affairs.

You do not need a separate book for every line of the syllabus. You need a small core you revise repeatedly, plus the right non-book sources for Paper 2. Anything beyond that is usually anxiety, not strategy.

PSIR Optional Booklist — Paper 1

Political Theory: An Introduction to Political Theory by O.P. Gauba is your anchor text for the whole theory section. Supplement with Political Theory: An Introduction by Rajeev Bhargava and Ashok Acharya for concepts Gauba treats lightly. For ideologies — liberalism, Marxism, feminism, and more — Andrew Heywood's Political Ideologies is clean and exam-friendly.

Western Political Thought: A History of Political Thought: Plato to Marx by Subrata Mukherjee and Sushila Ramaswamy is the standard for thinkers from Plato to Marx.

Indian Political Thought: Foundations of Indian Political Thought by V.R. Mehta covers Manu to Gandhi, Ambedkar, and the moderns.

Indian Government & Politics: Indian Polity by M. Laxmikanth is your factual base — the same book you already use for GS. Pair it with Indian Government and Politics by B.L. Fadia for the analytical, political-science treatment Laxmikanth does not give. Politics in India by Rajni Kothari is a classic for deeper political-sociology questions. India's Struggle for Independence and India Since Independence by Bipan Chandra cover nationalism and post-independence politics.

The Roundtable note: The gap between a GS Paper 2 answer on federalism and a PSIR answer on federalism is analytical depth. Laxmikanth gives you the facts; Fadia and Kothari give you the argument. PSIR examiners want the argument.

PSIR Optional Booklist — Paper 2

Comparative Politics: Comparative Government and Politics by Rod Hague and Martin Harrop covers approaches and frameworks.

International Relations: Global Politics by Andrew Heywood is the single best book for IR theory — read it twice. Add a UPSC-oriented title such as Pavneet Singh or Peu Ghosh for syllabus coverage.

India and the World: Challenge and Strategy: Rethinking India's Foreign Policy by Rajiv Sikri; India's Foreign Policy by Muchkund Dubey; Does the Elephant Dance? by David Malone for perspective and quotable analysis; and Pax Indica by Shashi Tharoor selectively — for framing and examples, not cover to cover.

Non-book sources for Paper 2 are non-negotiable. This is where the marks hide. Paper 2 is current-affairs-heavy, and no textbook will be current enough. Read The Hindu and Indian Express editorials analytically — not as news, as argument. The Ministry of External Affairs website and Annual Report is India's official position on every bilateral and multilateral relationship — the most important free source for Paper 2. World Focus monthly and EPW (Economic & Political Weekly) add depth on IR debates. Sansad TV and think-tank commentary give multiple perspectives on the same issue.

The Part Most Booklists Skip: How to Actually Read These Books

A booklist is the easy 10%. Here is the 90% that decides your score.

First, read for arguments, not information. Do not underline facts. Underline positions — who argues what, and against whom. PSIR answers are built from competing viewpoints, so your notes should read like a debate, not a summary.

Second, make one set of notes, not one per book. Pick your anchor book per topic — Gauba for theory, Heywood for IR — and add to those notes from the others. Five parallel sets of notes you never revise is the most common PSIR mistake we see.

Third, map every book to the syllabus, not the other way around. Keep the official syllabus open beside you. If a chapter does not map to a syllabus line, skim it. PSIR is vast; ruthlessness is a skill.

Fourth, convert reading into writing within 48 hours. A concept you have read but never written is a concept you do not own. This is why structured answer writing practice runs alongside the syllabus rather than after it — the feedback loop is where understanding actually forms. Explore our Answer Writing Program at Roundtable IAS for evaluated daily practice.

Fifth, revise on a cycle, not on a whim. The PSIR core is small enough to revise fully in 7–10 days. Plan three to four full revisions before Mains. Coverage without revision is just forgetting on a schedule.

How Many Books Is "Enough"?

If you have counted the list above, it is around a dozen core books plus your non-book sources — and you will not read all of them with equal intensity. Two or three — Gauba, Heywood's Global Politics, and your foreign-policy source — you internalise deeply. The rest you mine selectively for specific topics. An aspirant who has truly absorbed five PSIR books will out-score one who has lightly touched fifteen, every single time.

The goal was never to finish the list. It was to think clearly about politics and the world — which is exactly what the UPSC is testing.

Where Structured Guidance Helps

The booklist is public; everyone has the same one. What separates a 250 from a 300 is the analytical reading, the answer-writing discipline, and the feedback that tells you where your thinking is thin. That is the entire premise of our discussion-driven PSIR optional coaching at Roundtable IAS — small batches where you argue positions, write under evaluation, and get direct mentorship from Rohan Dange, who has taught this subject for over fifteen years.

If you are serious about PSIR as your optional, the books get you to the start line. What you do with them is the race. Explore our PSIR optional coaching programme at /courses/international-relations/.

FAQ

What is the best book for PSIR optional Paper 1? For political theory, An Introduction to Political Theory by O.P. Gauba is the standard anchor, supplemented by Andrew Heywood's Political Ideologies. For Indian Government & Politics, pair Laxmikanth (facts) with B.L. Fadia (analysis).

Which book is best for IR in PSIR Paper 2? Andrew Heywood's Global Politics is the most widely recommended single book for International Relations theory, supported by a UPSC-oriented title like Pavneet Singh or Peu Ghosh, plus the MEA website for current foreign policy.

How many books are needed for PSIR optional? Roughly a dozen core books across both papers, but you read only two or three deeply and mine the rest selectively. Depth of revision matters far more than the number of books.

Can I prepare PSIR optional without coaching? Self-study is possible with discipline, but PSIR rewards analytical answer writing and exposure to multiple viewpoints — which is where structured coaching and evaluated practice add the most value.