UPSC Philosophy Optional Syllabus 2027: Paper 1 & Paper 2

The UPSC Philosophy Optional syllabus has two papers of 250 marks each. Paper 1 (History and Problems of Philosophy) has 20 units: 11 on Western philosophers and 9 on Indian schools. Paper 2 has 20 units: 10 in Socio-Political Philosophy and 10 in Philosophy of Religion. Below is the official syllabus in UPSC’s wording, followed by every unit mapped to its free notes and to the 1,338 previous year questions asked from 1990 to 2026.

Official Syllabus Unit-wise Notes Topic-wise PYQs

PYQs Topic-wise

Question Bank 1990–2026

Question Papers

Year-wise PYQPs (2013–2026)

Booklist

Philosophy Optional Booklist

Strategy

300+ Marks Preparation Plan

Philosophy Optional Syllabus at a Glance

  • Two papers, 500 marks: Paper 1 and Paper 2 carry 250 marks each and are written in UPSC Mains as Papers VI and VII, out of 1,750 marks for the written Mains.
  • 40 units in all: Paper 1 has 11 Western and 9 Indian units; Paper 2 has 10 Socio-Political and 10 Philosophy of Religion units.
  • A static, thinker-based syllabus: the units name the philosophers and doctrines to study, so the scope is clear from day one.
  • 1,338 questions asked from 1990 to 2026, and every unit below links to its free notes and its past questions.
UPSC Philosophy Optional Notes Banner

Philosophy Optional Exam Pattern

Both Philosophy papers follow the same pattern as every UPSC optional paper. Each paper is split into two sections, and you choose which questions to answer within the rules below.

ItemDetails
PapersPaper 1: History and Problems of Philosophy
Paper 2: Socio-Political Philosophy and Philosophy of Religion
SectionsPaper 1: A – Western Philosophy (Units 1–11); B – Indian Philosophy (Units 12–20)
Paper 2: A – Socio-Political Philosophy (10 units); B – Philosophy of Religion (10 units)
Marks and time250 marks and 3 hours for each paper (500 marks in all)
Questions8 questions in each paper, 4 in each section
To attempt5 questions: Q1 and Q5 are compulsory, plus 3 more with at least one from each section
Question typesQ1 and Q5: five 10-mark parts (about 150 words each). Q2–Q4 and Q6–Q8: parts of 20 and 15 marks

Tip: because Q1 and Q5 are compulsory and each has five short parts, you cannot leave out a section. Every unit can appear in a 10-mark question, so the whole syllabus has to be covered.

UPSC Philosophy Optional Syllabus (Official)

Paper 1: History and Problems of Philosophy

Paper 1 tests the history and core problems of Western and Indian philosophy. In the official syllabus its 20 units are numbered in one run, Western first.

Section A: Western Philosophy

  1. Plato and Aristotle: Ideas; Substance; Form and Matter; Causation; Actuality and Potentiality.
  2. Rationalism (Descartes, Spinoza, Leibniz): Cartesian Method and Certain Knowledge; Substance; God; Mind-Body Dualism; Determinism and Freedom.
  3. Empiricism (Locke, Berkeley, Hume): Theory of Knowledge; Substance and Qualities; Self and God; Scepticism.
  4. Kant: Possibility of Synthetic a priori Judgments; Space and Time; Categories; Ideas of Reason; Antinomies; Critique of Proofs for the Existence of God.
  5. Hegel: Dialectical Method; Absolute Idealism.
  6. Moore, Russell and Early Wittgenstein: Defence of Commonsense; Refutation of Idealism; Logical Atomism; Logical Constructions; Incomplete Symbols; Picture Theory of Meaning; Saying and Showing.
  7. Logical Positivism: Verification Theory of Meaning; Rejection of Metaphysics; Linguistic Theory of Necessary Propositions.
  8. Later Wittgenstein: Meaning and Use; Language-games; Critique of Private Language.
  9. Phenomenology (Husserl): Method; Theory of Essences; Avoidance of Psychologism.
  10. Existentialism (Kierkegaard, Sartre, Heidegger): Existence and Essence; Choice, Responsibility and Authentic Existence; Being-in-the-world and Temporality.
  11. Quine and Strawson: Critique of Empiricism; Theory of Basic Particulars and Persons.

Section B: Indian Philosophy

  1. Carvaka: Theory of Knowledge; Rejection of Transcendent Entities.
  2. Jainism: Theory of Reality; Saptabhanginaya; Bondage and Liberation.
  3. Schools of Buddhism: Pratityasamutpada; Ksanikavada, Nairatmyavada.
  4. Nyaya-Vaisesika: Theory of Categories; Theory of Appearance; Theory of Pramana; Self, Liberation; God; Proofs for the Existence of God; Theory of Causation; Atomistic Theory of Creation.
  5. Samkhya: Prakrti; Purusa; Causation; Liberation.
  6. Yoga: Citta; Cittavrtti; Klesas; Samadhi; Kaivalya.
  7. Mimamsa: Theory of Knowledge.
  8. Schools of Vedanta: Brahman; Isvara; Atman; Jiva; Jagat; Maya; Avidya; Adhyasa; Moksa; Aprthaksiddhi; Pancavidhabheda.
  9. Aurobindo: Evolution, Involution; Integral Yoga.

Paper 2: Socio-Political Philosophy and Philosophy of Religion

Paper 2 applies philosophical analysis to society, the state and religion. It has two sections of 10 units each.

Section A: Socio-Political Philosophy

  1. Social and Political Ideals: Equality, Justice, Liberty.
  2. Sovereignty: Austin, Bodin, Laski, Kautilya.
  3. Individual and State: Rights; Duties and Accountability.
  4. Forms of Government: Monarchy; Theocracy and Democracy.
  5. Political Ideologies: Anarchism; Marxism and Socialism.
  6. Humanism; Secularism; Multiculturalism
  7. Crime and Punishment: Corruption, Mass Violence, Genocide, Capital Punishment.
  8. Development and Social Progress
  9. Gender Discrimination: Female Foeticide, Land and Property Rights; Empowerment.
  10. Caste Discrimination: Gandhi and Ambedkar.

Section B: Philosophy of Religion

  1. Notions of God: Attributes; Relation to Man and the World (Indian and Western).
  2. Proofs for the Existence of God and their Critique (Indian and Western)
  3. Problem of Evil
  4. Soul: Immortality; Rebirth and Liberation.
  5. Reason, Revelation and Faith
  6. Religious Experience: Nature and Object (Indian and Western).
  7. Religion without God
  8. Religion and Morality
  9. Religious Pluralism and the Problem of Absolute Truth
  10. Nature of Religious Language: Analogical and Symbolic; Cognitivist and Non-cognitive.

The wording above is UPSC’s, from the Civil Services (Main) syllabus for Philosophy. Only spellings of Sanskrit terms have been made consistent (for example Prakrti, Avidya, Nyaya-Vaisesika).

Philosophy Optional Syllabus Unit-wise, with Notes and PYQs

Each unit below shows its official syllabus line, how many questions UPSC has set from it since 1990, and the free LotusArise notes that cover it. There are 305 notes articles in all, each covering one part of the syllabus; see them all on the Philosophy Optional Notes page.

Paper 1 — Section A: Western Philosophy

From Plato to Quine. 368 PYQs have been asked from these 11 units.

Paper 1 — Section B: Indian Philosophy

From Carvaka to Sri Aurobindo. 394 PYQs have been asked from these 9 units, the most of any section.

15. Nyaya-Vaisesika

Syllabus: Theory of Categories; Theory of Appearance; Theory of Pramana; Self, Liberation; God; Proofs for the Existence of God; Theory of Causation; Atomistic Theory of Creation. · 79 PYQs (1990–2026)

Nyāya–Vaiśeṣika as Allied Systems: Pramā and Pramāṇa

Covers: Theory of Pramāṇa (foundations: what valid knowledge is, how it is known to be valid)

Nyāya Theory of Perception (Pratyakṣa) and Sannikarṣa

Covers: Theory of Pramāṇa — perception

Nyāya Inference (Anumāna): Syllogism and Hetvābhāsas

Covers: Theory of Pramāṇa — inference and its fallacies

Vyāpti and Vyāptigraha: How Nyāya Knows Universal Relations

Covers: Theory of Pramāṇa — ground of inference

Nyāya on Upamāna and Śabda: Comparison and Testimony

Covers: Theory of Pramāṇa — comparison and testimony

Nyāya Theory of Appearance: Anyathākhyāti and Khyātivādas

Covers: Theory of Appearance

Vaiśeṣika Categories I: Padārtha, Dravya, Guṇa and Karma

Covers: Theory of Categories (padārtha; dravya, guṇa, karma)

Vaiśeṣika Categories II: Sāmānya, Viśeṣa and Samavāya

Covers: Theory of Categories (sāmānya, viśeṣa, samavāya)

Abhāva: Non-Existence as the Seventh Vaiśeṣika Category

Covers: Theory of Categories (abhāva)

Nyāya–Vaiśeṣika Causation: Asatkāryavāda and Ārambhavāda

Covers: Theory of Causation

Vaiśeṣika Atomism: Paramāṇuvāda and the Theory of Creation

Covers: Atomistic Theory of Creation

Self and Liberation in Nyāya–Vaiśeṣika: Ātman and Apavarga

Covers: Self, Liberation

Nyāya Theism: Īśvara and Udayana’s Proofs for God

Covers: God; Proofs for the Existence of God

Paper 2 — Section A: Socio-Political Philosophy

Ideals, the state, ideologies and social justice. 295 PYQs have been asked from these 10 units.

Paper 2 — Section B: Philosophy of Religion

God, evil, the soul, religious experience and religious language. 281 PYQs have been asked from these 10 units.

Which Philosophy Units Carry the Most Weight?

Every unit is examinable, but UPSC has not asked from them equally. Of the 1,338 questions set from 1990 to 2026, Paper 1 accounts for 762 (Western 368, Indian 394) and Paper 2 for 576 (Socio-Political 295, Philosophy of Religion 281). Paper 2 questions start mostly from 2000, so the totals are not a like-for-like comparison. The table shows the 14 units with the most questions.

UnitPaper and sectionPYQs (1990–2026)Share
Nyaya-VaisesikaPaper 1 · Indian795.9%
Schools of VedantaPaper 1 · Indian755.6%
Schools of BuddhismPaper 1 · Indian604.5%
Rationalism (Descartes, Spinoza, Leibniz)Paper 1 · Western554.1%
Empiricism (Locke, Berkeley, Hume)Paper 1 · Western523.9%
Moore, Russell and Early WittgensteinPaper 1 · Western443.3%
Social and Political IdealsPaper 2 · Socio-Political443.3%
SoulPaper 2 · Religion443.3%
KantPaper 1 · Western433.2%
Plato and AristotlePaper 1 · Western423.1%
SamkhyaPaper 1 · Indian423.1%
JainismPaper 1 · Indian382.8%
Forms of GovernmentPaper 2 · Socio-Political382.8%
Notions of GodPaper 2 · Religion382.8%

Indian Philosophy’s big three (Nyaya-Vaisesika, Vedanta and Buddhism) together account for about one in six of all questions. See the full topic-wise PYQ bank for every question by unit.

How the Philosophy Syllabus Helps in GS Paper 4 and the Essay

Large parts of the syllabus feed directly into other Mains papers:

  • GS Paper 4 (Ethics): Kant, Hume, Plato and Aristotle from Paper 1, and justice, rights, punishment and gender from Paper 2, are the same thinkers and ideas that ethics answers draw on.
  • Essay: philosophical essay topics on truth, freedom, religion, development and society can draw on Paper 2 concepts and Paper 1 arguments.
  • GS Paper 1 (Indian culture and society): the Indian schools in Paper 1 (Buddhism, Jainism, the six darsanas and Vedanta) overlap with Indian philosophy in art and culture, and Paper 2’s caste, gender and secularism units overlap with Indian society.

How to Cover the Philosophy Optional Syllabus

  • Read the syllabus line by line first. Each unit lists the exact doctrines UPSC can ask; treat each item as a topic to master.
  • Start with Paper 1 Western, in order. Each thinker responds to the one before (Plato → Rationalism → Empiricism → Kant → Hegel), so sequence matters.
  • Study Indian schools one at a time: metaphysics, theory of knowledge (pramana) and liberation for each school, giving most time to Nyaya-Vaisesika, Vedanta and Buddhism.
  • Take Paper 2 after Paper 1. Philosophy of Religion reuses Kant, Hume, Nyaya and Vedanta, and Socio-Political Philosophy fits well alongside GS 2 and GS 4.
  • Close every unit with its PYQs from the topic-wise question bank, and plan the rest with the 300+ marks strategy and the booklist.

Year-wise question papers: 2026 · 2025 · 2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013

Philosophy Optional Syllabus: FAQs

It has two papers. Paper 1, History and Problems of Philosophy, covers 11 Western units (Plato and Aristotle to Quine and Strawson) and 9 Indian units (Carvaka to Sri Aurobindo). Paper 2 covers 10 Socio-Political Philosophy units and 10 Philosophy of Religion units.

The two papers carry 250 marks each, 500 in total, out of 1,750 marks for the written part of UPSC Mains. Each paper is three hours long.

40 units: 20 in Paper 1 (11 Western, 9 Indian) and 20 in Paper 2 (10 Socio-Political, 10 Philosophy of Religion).

All units can be asked, especially in the compulsory 10-mark questions. By past questions, Indian Philosophy has the most (394 of 1,338 since 1990), led by Nyaya-Vaisesika, Vedanta and Buddhism. Among Western units, Rationalism, Empiricism, Kant and Moore–Russell–Early Wittgenstein are asked most.

It is one of the more compact optional syllabuses because each unit names specific thinkers and doctrines, and it needs little current-affairs updating. The depth expected in each unit is high, so it still needs careful study.

Yes. UPSC sets no subject requirement for choosing an optional, so you can take Philosophy without having studied it before. Start with the syllabus line by line, use beginner-friendly notes, and practise with past questions.

Yes. UPSC allows the Mains optional papers to be written in Hindi or any other language listed in the Eighth Schedule, subject to the rules in that year’s notification.