NCERT Notes for UPSC

NCERT notes for UPSC preparation form the backbone of both Prelims and Mains strategy. These structured notes or summaries can help aspirants understand core concepts across History, Geography, Polity, Economy, Science, and Environment without wasting time in reading bulky books. Whether you are a beginner or an aspirant at an advanced level, using a concise NCERT summary for UPSC improves retention, strengthens basics and also helps in answer writing. That is why toppers consistently depend on NCERT short notes for UPSC for revision throughout their preparation.

Polity

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Science and Technology

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Economy

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Geography

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Histroy

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Educator: Sudarshan Gurjar

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World Mapping Part 12

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World Mapping Part 11

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World Mapping Part 10

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World Mapping Part 9

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World Mapping Part 8

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World Mapping Part 7

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World Mapping Part 6

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World Mapping Part 5

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World Mapping Part 4

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World Mapping Part 3

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World Mapping Part 2

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World Mapping Part 1

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Ramsar Sites of India through Maps - 4

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Ramsar Sites of India through Maps - 3

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Ramsar Sites of India through Maps - 2

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Ramsar Sites of India through Maps - 1

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National Parks of India through Maps

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National Parks of India through Maps

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Indian Geography through Maps

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Indian Geography through Maps

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Indian Geography through Map

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Indian Geography through Maps

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Indian Geography through Maps

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Indian Geography through Maps

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Indian Geography through Maps

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Indian Geography through Maps

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Indian Geography through Maps

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Indian Geography through Maps

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Indian Geography through Maps

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Indian Geography through Maps

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Indian Geography through Maps

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Indian Geography through Maps – Mountains

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Indian Geography – Mountains of India

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Educator : Pratik Nayak

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All Ancient History Inscriptions in One Shot

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Complete Jainism for Prelims 2026

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Complete Buddhism for Prelims

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Ancient India History: Chronology, Timeline, PYQ in One Shot

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Government of India Act 1919 & Indian National Movement

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Constitutional History & Councils Act of 1861, 1892 & 1909

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Complete Medieval India One Shot (Delhi Sultanate–Mughals)

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Constitutional History & National Movement – Part 6

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Constitutional History & Crown Rule – Councils Act (Part 5)

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Constitutional History & East India Company – Part 4

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Revising Ancient History – Buddhism & Jainism through MCQs

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Constitutional History & East India Company – Part 3

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Constitutional History & East India Company – Part 2

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Constitutional History & East India Company – Part 1

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Educator : Dr. Sidharth Arora

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RTI to Data Protection: Transparency & Digital Rights

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From MGNREGA to Gram Initiatives: India’s Welfare

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RnD in Polity with Dr Sidharth Arora SIDLIVE

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Electoral System in India: Representation & Reforms

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AMA with Dr Sidharth Arora SIDLIVE

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NCERT vs Laxmikanth: What to Read, What to Skip and Revise

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Complete FR in One Shot – Part 2

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Complete FR in One Shot – Part 1

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Complete Laxmikanth through Mindmaps – Part 3

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Complete Laxmikanth through Mindmaps – Part 2

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Complete Laxmikanth through Mindmaps – Part 1

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Revision Module with Dr Sidharth Arora SIDLIVE

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Revision Module with Dr Sidharth Arora SIDLIVE

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Revision Module with Dr Sidharth Arora SIDLIVE

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Revision Module with Dr Sidharth Arora SIDLIVE

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Revision Module with Dr Sidharth Arora SIDLIVE

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Revision Module with Dr Sidharth Arora SIDLIVE

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Revision Marathon with Dr Sidharth Arora SIDLIVE

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Revision Marathon with Dr Sidharth Arora SIDLIVE

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Revision Module in Polity with Dr Sidharth Arora SIDLIVE

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Revision Module in Polity with Dr Sidharth Arora SIDLIVE

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Revision Module in Polity with Dr Sidharth Arora SIDLIVE

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Revision Module with Dr Sidharth Arora SIDLIVE

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Revision Module in Polity with Dr Sidharth Arora SIDLIVE

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Educator : Sarmad Mehraj

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Class 3: Constitutional Position of the President of India

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Class 2: Freedom of Religion

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Class 1: Reservation System in India

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All about Judiciary - Part 2

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All about Judiciary - Part 1

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Educator : Mrunal Patel

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Mrunal's Economy Monthly Current-2025-Dec for UPSC

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Mrunal’s Economy - Basic Concepts to Complete Roadmap

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Mrunal's Economy Monthly Current-2025-Nov for All Exams

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Mrunal's Economy Monthly Current-2025-Oct for All Exams

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Mrunal's Economy Monthly Current-2025-Sept for UPSC

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Mrunal's Economy Monthly Current 2025-August for All Exams

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Mrunal's Economy Monthly Current-2025-July for UPSC

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Educator : Madhukar Kotawe

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Bharat ki Rajvyavastha ke Mool Siddhant: Part 4

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Bharat ki Rajvyavastha ke Mool Siddhant: Part 3

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Bharat ki Rajvyavastha ke Mool Siddhant: Part 2

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Bharat ki Rajvyavastha ke Mool Siddhant: Part 1

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NCERT Notes Subject-wise & Class-wise

History NCERT Notes

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History Class 6th NCERT notes pdf

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History Class 7th NCERT notes pdf

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History Class 8th NCERT notes pdf

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History Class 9th NCERT notes pdf

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History Class 10th NCERT notes pdf

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History Class 11th NCERT notes pdf

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History Class 12th - Part 1 NCERT notes pdf

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History Class 12th - Part 2 NCERT notes pdf

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History Class 12th - Part 3 NCERT notes pdf

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Art and Culture NCERT Notes

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Art and Culture Class 11th - Part 1 NCERT notes pdf

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Art and Culture Class 11th - Part 2 NCERT notes pdf

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Art and Culture Class 12th - Part 1 NCERT notes pdf

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Art and Culture Class 12th - Part 2 NCERT notes pdf

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Polity NCERT Notes

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Polity Class 6th NCERT notes pdf

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Polity Class 7th NCERT notes pdf

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Polity Class 8th NCERT notes pdf

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Polity Class 9th NCERT notes pdf

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Polity Class 10th NCERT notes pdf

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Polity Class 11th - Part 1 (Political Theory) NCERT notes pdf

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Polity Class 11th - Part 2 (Indian Constitution At Work) NCERT notes pdf

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Polity Class 12th - Part 1 (Contemporary World Politics) NCERT notes pdf

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Polity Class 12th - Part 2 (Politics in India Since Independence) NCERT notes pdf

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Science NCERT Notes

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Science Class 6th NCERT notes pdf

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Science Class 7th NCERT notes pdf

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Science Class 8th NCERT notes pdf

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Science Class 9th NCERT notes pdf

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Science Class 10th NCERT notes pdf

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Economics NCERT Notes

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Economics Class 9th NCERT notes pdf

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Economics Class 10th NCERT notes pdf

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Economics Class 11th NCERT notes pdf

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Economics Class 12th (Microeconomics) NCERT notes pdf

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Economics NCERT 12th (Macroeconomics) NCERT notes pdf

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Geography NCERT Notes

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Geography Class 6th NCERT notes pdf

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Geography Class 9th NCERT notes pdf

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Geography Class 10th NCERT notes pdf

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Geography Class 11th - Part 1 (India Physical Environment) NCERT notes pdf

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Geography Class 11th - Part 2 (Fundamentals of

Physical Geography) NCERT notes pdf

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Geography Class 12th - Part 1 (India, People and Economy) NCERT notes pdf

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Geography Class 12th - Part 2 (Fundamentals of Human Geography) NCERT notes pdf

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NCERT Notes for UPSC CSE - Free PDF Downloads (All Subjects & Classes)

If there is one piece of advice that every UPSC topper, every seasoned mentor, and every serious coaching programme agrees on, it is this: start with NCERTs. No matter your background - engineering, humanities, or medicine - the NCERT textbooks from Class 6 to Class 12 form the single most important foundation for cracking the Civil Services Examination.

But here's the problem every aspirant runs into.

There are over 40 NCERT textbooks relevant to the UPSC CSE syllabus. Reading each one from cover to cover - understanding it, noting it, revising it - takes months. And in a preparation journey where every week counts, spending that kind of time on textbooks written for school students can feel inefficient, especially when you're also juggling current affairs, answer writing, and mock tests.

That's the gap Unacademy's NCERT notes are built to fill.

These are not shortcuts. They are smart, syllabus-mapped study tools - carefully created by UPSC experts to extract exactly what the Civil Services Examination tests, and present it in a clean, revision-friendly format. Whether you are just beginning your UPSC journey or are deep into your second or third attempt, these free downloadable PDFs will save you hundreds of hours while ensuring you don't miss a single concept that matters.

The Role of NCERTs in UPSC CSE - Why They Cannot Be Skipped

Before diving into the summaries themselves, it's worth understanding why NCERTs hold such an irreplaceable place in UPSC preparation - and why even the most advanced aspirants return to them.

1. They Build the Conceptual Framework

UPSC doesn't just test facts. It tests your ability to analyse, connect, and apply concepts. NCERTs - especially in subjects like History, Economics, and Political Science - build the conceptual scaffolding that allows you to think clearly about complex issues. When a Mains question asks you to "examine the socio-economic causes of peasant movements in colonial India," the answer begins with your Class 8 and Class 12 History NCERTs, not with any advanced reference book.

2. UPSC Prelims Questions Are Directly Rooted in NCERTs

A significant portion of UPSC Preliminary Examination questions - particularly in History, Polity, Geography, and Science - can be traced directly to specific lines, facts, or concepts in NCERT textbooks. Toppers consistently report that 30–40% of Prelims questions in a given year are either directly from NCERTs or can be answered with NCERT-level understanding.

3. They Establish the Standard Vocabulary

When you write a Mains answer about federalism, constitutional amendments, or India's physical geography, using the right terminology matters. NCERTs define and explain these terms in a precise, neutral, and UPSC-appropriate way. Absorbing this vocabulary early makes your answers more authoritative and better structured.

4. They Are the Baseline for All Advanced Reading

Every advanced book you read for UPSC - whether it's Laxmikanth for Polity, Bipin Chandra for Modern History, or Ramesh Singh for Economics - assumes you already have NCERT-level clarity. Without that base, advanced books feel overwhelming. With it, they feel like natural extensions.

About Unacademy's NCERT Summary PDFs

Unacademy's NCERT summaries are not simply condensed versions of textbooks. They are purpose-built study materials that go through a specific curation process:

  • Syllabus filtering: Every chapter is read against the official UPSC CSE syllabus. Content that is irrelevant to the exam - exercises, school-specific activities, regional examples not tested in UPSC - is removed.
  • PYQ alignment: Previous Year Questions (PYQs) from the last 10–15 years are mapped against NCERT chapters. Topics that have been repeatedly tested are highlighted and given greater depth.
  • Exam-relevant framing: Facts, dates, and concepts are presented in the format most useful for UPSC - whether as crisp Prelims-style facts or as structured Mains-style explanations.
  • Concise language: Dense school-textbook prose is rewritten into clear, direct language that is easier to absorb during revision.

The result is a set of PDFs that can replace multiple rounds of heavy NCERT reading, while preserving everything that actually matters for the exam.

Subject-Wise Breakdown of NCERT Summary PDFs

History - Class 6th to Class 12th (9 PDFs)

History is one of the most heavily tested subjects in UPSC CSE. It appears in GS Paper I (Prelims and Mains), in optional subjects like History and Anthropology, and indirectly in essay questions and ethics case studies. The UPSC History syllabus spans three broad eras - Ancient India, Medieval India, and Modern India - all of which are covered across Class 6 to Class 12 NCERTs.

Class 6 – Our Pasts Part I Covers early human history, the Harappan Civilisation, the Vedic Age, early kingdoms, and Jainism and Buddhism. These chapters are foundational for Prelims questions on the Indus Valley Civilisation, Ashoka, and the Mauryan Empire. Class 6 History is often underestimated but regularly yields direct questions in Prelims.

Class 7 – Our Pasts Part II Covers medieval India - the Delhi Sultanate, Mughal Empire, Bhakti and Sufi movements, and regional kingdoms. The Bhakti-Sufi tradition is a perennial favourite in UPSC Prelims, and the political history of medieval India is regularly tested in Mains GS Paper I.

Class 8 – Our Pasts Part III This is where Indian History begins to intersect with the colonial narrative. Covers the 1857 Revolt, rise of nationalism, economic impact of British rule, and social reforms. This textbook is arguably the most PYQ-dense NCERT in History - almost every chapter has generated multiple Prelims questions over the years.

Class 9 – India and the Contemporary World Part I Covers world history - the French Revolution, Russian Revolution, rise of Hitler and Nazism, and forest-based societies. UPSC increasingly tests world history, and this textbook is essential for questions on imperialism, revolutions, and global political movements.

Class 10 – India and the Contemporary World Part II Covers nationalism in India and globally, industrial society, and print culture. The chapter on Indian nationalism - particularly the Non-Cooperation Movement and Civil Disobedience Movement - is extremely high-yield for both Prelims and Mains.

Class 11 – Themes in World History A sophisticated textbook covering ancient civilisations (Greece, Rome, China), medieval Europe, Islamic empires, the Industrial Revolution, and colonialism. Essential for aspirants taking History optional, and increasingly important for Mains GS Paper I world history questions.

Class 12 – Themes in Indian History (Parts 1, 2, and 3) The most advanced NCERT History textbooks - and among the most important for UPSC. Part 1 covers ancient and early medieval India through archaeological and literary sources. Part 2 deals with medieval India in detail. Part 3 covers colonial India, the nationalist movement, partition, and the making of the Constitution. All three parts are indispensable for Mains GS Paper I and for the History optional.

Art and Culture - Class 11th & 12th (4 PDFs)

Art and Culture occupies a dedicated section in GS Paper I (Mains) and regularly features in Prelims. Yet it remains one of the most poorly prepared subjects among aspirants - largely because there is no single standard textbook that covers it completely.

The NCERT Fine Arts textbooks from Class 11 and Class 12 provide excellent coverage of:

  • Visual Arts: Indian painting traditions from prehistoric cave art to Mughal and Rajput miniatures; modern Indian art
  • Architecture: Buddhist, Hindu, and Islamic architecture; temple styles (Nagara, Dravida, Vesara); colonial-era buildings
  • Performing Arts: Classical dance forms (Bharatanatyam, Kathak, Odissi, Kuchipudi, Manipuri, Mohiniyattam, Kathakali), Hindustani and Carnatic music, folk traditions
  • Theatre and Puppetry: Regional theatre traditions across India

Class 11 Part 1 covers the history and theory of Indian art - painting, sculpture, and architecture from ancient to medieval periods. Class 11 Part 2 extends into music and performing arts. Class 12 Parts 1 and 2 bring the coverage to the modern era and provide deeper treatment of classical arts.

UPSC Prelims regularly features questions that can be answered directly from these summaries - on Ajanta paintings, Gandhara sculpture, specific dance forms, or musical gharanas. For Mains, Art and Culture questions require both factual recall and the ability to write brief analytical answers, both of which these summaries support.

Polity - Class 6th to Class 12th (9 PDFs)

Political Science NCERTs are the most directly exam-relevant books in the entire UPSC preparation ecosystem. GS Paper II of the Mains examination - which covers Indian Polity, Governance, Constitution, Social Justice, and International Relations - is almost entirely rooted in what these textbooks teach.

Class 6 – Social and Political Life Part I Introduces concepts of government, democracy, and the role of local governance. Foundational for Panchayati Raj and urban governance questions.

Class 7 – Social and Political Life Part II Covers state government, media, markets, and equality. Important for questions on federalism and state-centre relations at an introductory level.

Class 8 – Social and Political Life Part III Covers the Indian Parliament, the Judiciary, and social issues like marginalisation. Parliament-related questions in Prelims often trace back to this book.

Class 9 – Democratic Politics Part I Covers democracy, elections, constitutional design, and institutions. The chapter on elections and the Electoral Commission is particularly useful for Prelims.

Class 10 – Democratic Politics Part II Covers federalism, political parties, democracy and diversity, and outcomes of democracy. Federalism from Class 10 is one of the most tested topics in both Prelims and Mains.

Class 11 Part 1 – Political Theory Covers fundamental political concepts - freedom, equality, rights, justice, secularism, nationalism, and peace. These concepts directly feed into GS Paper II Mains answers and also overlap with GS Paper IV (Ethics) when dealing with rights-based frameworks.

Class 11 Part 2 – Indian Constitution at Work One of the most critical books for UPSC. Covers the making of the Constitution, fundamental rights, directive principles, Parliament, the Executive, the Judiciary, local governments, and federalism in detail. This book, along with Laxmikanth, forms the core of UPSC Polity preparation.

Class 12 Part 1 – Contemporary World Politics Covers the Cold War, non-alignment, the United Nations, globalisation, and security in the contemporary world. Essential for International Relations questions in GS Paper II.

Class 12 Part 2 – Politics in India Since Independence Covers India's political history post-1947 - the Nehru era, the Emergency, coalition politics, regional parties, and social movements. This is one of the most underused but highly valuable books for Mains GS Paper II and for essay topics on Indian democracy.

Science - Class 6th to Class 10th (5 PDFs)

Science NCERTs from Class 6 to Class 10 are important for a specific but high-yield portion of UPSC Prelims - questions on environment and ecology, human health and disease, technology and its applications, basic chemistry (acids, bases, metals), and physics principles that appear in the General Science section.

These summaries are especially valuable because the original Science textbooks are long and contain a lot of content that is not directly tested in UPSC. The summaries strip away the school-specific content and retain only what matters:

  • Biology: Cell structure, life processes, reproduction, ecosystems, health and diseases, plant physiology
  • Chemistry: Acids and bases, metals and non-metals, carbon compounds, chemical reactions
  • Physics: Motion, force, electricity, light, sound

For aspirants from non-science backgrounds, these summaries are an efficient and anxiety-free way to cover the General Science component of Prelims without getting overwhelmed by technical detail.

Economics - Class 9th to Class 12th (5 PDFs)

Economics is tested across multiple sections of UPSC - GS Paper III (Indian Economy, Agriculture, Infrastructure, Development) as well as GS Paper II (Social Justice, Welfare Schemes). NCERT Economics books build the conceptual foundation that makes advanced economic reading (like the Economic Survey) far more accessible.

Class 9 – Economics Covers poverty, food security, the story of Palampur village (rural economy), and India as a developing economy. Poverty and food security are perennial UPSC topics.

Class 10 – Understanding Economic Development Covers development, sectors of the Indian economy (primary, secondary, tertiary), money and credit, globalisation, and consumer rights. Extremely high-yield - especially the chapters on money, banking, and globalisation.

Class 11 – Indian Economic Development Covers India's economic history at independence, green revolution, industrial policy, economic reforms, and current challenges in agriculture, industry, and infrastructure. This is essential reading for GS Paper III.

Class 12 – Microeconomics Covers demand, supply, market equilibrium, and theory of the firm. While more theoretical, microeconomic concepts are increasingly tested in UPSC - especially in questions about pricing, subsidies, and market failures.

Class 12 – Macroeconomics Covers national income, money supply, banking, the government budget, and the balance of payments. This book directly feeds into questions on GDP, inflation, fiscal deficit, monetary policy, and India's external sector - all of which are staple topics in GS Paper III and the Mains Economy section.

Geography - Class 6th to Class 12th (7 PDFs)

Geography is one of the most consistently tested subjects in UPSC CSE. It appears in Prelims (map-based and factual questions), GS Paper I Mains (physical and human geography), and GS Paper III (disaster management, environment). It is also a popular optional subject.

Class 6 – The Earth: Our Habitat Covers the solar system, globe and maps, physical features of the earth (mountains, plateaus, plains), and basic climate. Foundational for understanding how landforms are formed and how they influence human settlements.

Class 9 – Contemporary India Part I Covers India's physical geography - location, drainage systems (Himalayan and Peninsular rivers), climate, vegetation, and wildlife. River-related questions (especially on Himalayan rivers, their tributaries, and interstate disputes) are heavily tested in UPSC.

Class 10 – Contemporary India Part II Covers resources (land, soil, water, forest), agriculture (Green Revolution, crop patterns, irrigation), manufacturing industries, and lifelines of the national economy (transport, communication). This is among the most important textbooks for GS Paper I and GS Paper III Geography topics.

Class 11 Part 1 – India: Physical Environment Advanced treatment of India's geology, geomorphology, climate (monsoon mechanisms), drainage patterns, and natural vegetation. The monsoon chapter alone has generated dozens of UPSC questions over the years.

Class 11 Part 2 – Fundamentals of Physical Geography Covers global physical geography - the earth's interior, landforms (fluvial, glacial, aeolian), oceans, atmosphere, and biosphere. Essential for questions on global wind patterns, ocean currents, and geomorphological processes - all of which appear regularly in Prelims.

Class 12 Part 1 – India: People and Economy Covers population, human settlements, land use, water resources, mineral resources, manufacturing, and planning in India. Highly relevant for GS Paper I (settlement patterns, resources) and GS Paper III (agriculture, industry, infrastructure).

Class 12 Part 2 – Fundamentals of Human Geography Covers human population distribution, migration, human development, primary activities (agriculture, mining, fishing), secondary activities (manufacturing), tertiary and quaternary activities, and transport networks. Important for questions on globalisation, urbanisation, and economic geography.

How to Build Your NCERT Study Plan Using These Summaries

The right strategy depends on where you are in your preparation:

If You Are Just Starting Out (0–6 Months)

Begin with the summaries as your first read. Don't try to read original NCERTs and these summaries simultaneously - use these to get a quick, clear picture of each subject first. Suggested order: Polity → Geography → History → Economics → Science → Art and Culture. Make brief notes as you read and flag topics connected to recent current affairs.

If You Are in Active Preparation (6–18 Months)

Use these summaries as rapid revision tools between your advanced book reading. After finishing Laxmikanth, revisit the Polity summaries to reinforce basics. After covering Modern History in depth, use the Class 8–12 History summaries to check your foundational understanding. Pair each revision with 10–15 PYQs from that subject.

If You Are Approaching Prelims (Last 3 Months)

These summaries are your best friend in the final stretch. Cover one subject's entire summary set per week. Mark high-frequency topics. Create one-page cheat sheets for each subject using the summary content. The goal is not to learn new things at this stage - it is to cement what you already know.

If You Are Preparing for Mains

Use the summaries to build answer skeletons. Before writing a full Mains answer, briefly scan the relevant NCERT summary to ensure your foundational understanding is accurate. This prevents the common mistake of writing confidently but factually incorrectly in Mains answers.

Subject-Wise Priority Guide for UPSC Aspirants

Subject

Prelims Weight

Mains Relevance

Priority Level

Polity

Very High

GS Paper II (Core)

Must-Do First

History

High

GS Paper I (Core)

Must-Do First

Geography

High

GS Paper I & III

Must-Do First

Economics

Medium-High

GS Paper III (Core)

High Priority

Science

Medium

GS Paper III

High Priority

Art & Culture

Medium

GS Paper I

Important

Important Links

UPSC Mains Online Batch

UPSC Mains Mock Test

UPSC Mains Strategy

UPSC Mains Daily Questions

UPSC Mains Answer Writing Strategy

UPSC Mains Test Series

UPSC Optional Subject Strategy

Prelims GS PYQs & Source Mapping

Free Study Material Download

UPSC Prelims Answer Key

UPSC Prelims Result 2026

UPSC Mains Booklist

Current Affairs Weekly test series

CSAT Weekly test series

UPSC Mains Notes

Free UPSC Study Materials

NCERT Notes Frequently Asked Questions

Are these NCERT summaries enough for UPSC Prelims?+

For the static portions of Prelims - History, Polity, Geography, and General Science - Unacademy's NCERT summaries provide comprehensive foundational coverage. However, a complete Prelims strategy also requires consistent current affairs preparation, regular PYQ practice, and full-length mock tests. The summaries are your static foundation; current affairs and mock tests build the rest of the structure.

Which NCERT summaries should I start with as a complete beginner?+

Start with Polity (Class 9 to 11) and Geography (Class 9 to 11). These subjects have the most direct and structured mapping to the UPSC syllabus, and the concepts are easier to grasp early in preparation. Once you have a feel for how NCERT content connects to the exam, move to History (Class 8 to 12) and then Economics.

How are these summaries different from the original NCERT textbooks?+

Original NCERTs are written for school students and include a great deal of content - exercises, maps, activities, box features - that is not directly relevant to UPSC. Unacademy's summaries are curated specifically for the Civil Services Examination, retaining only the concepts, facts, and frameworks that are syllabus-relevant and PYQ-aligned. They are significantly shorter and faster to read without sacrificing exam relevance.

Can I use these summaries for UPSC Mains as well?+

Absolutely. For subjects like History, Geography, Polity, and Economics, these summaries serve as excellent revision tools before writing practice answers. They ensure your foundational knowledge is accurate before you build on it with advanced reading. For Mains, the Class 11 and 12 summaries are especially important since they cover more analytical and conceptual content.

I am preparing for Geography optional. Are these summaries useful?+

Yes, especially for Paper I of Geography optional, which has significant overlap with NCERT Physical and Human Geography. The Class 11 and 12 Geography summaries provide a clean conceptual foundation before you move to advanced references like Savindra Singh or Majid Husain.

Do I need to read the original NCERTs as well, or are the summaries sufficient?+

For most aspirants, the summaries are sufficient for Prelims and provide a strong base for Mains. Aspirants taking History or Geography as optional subjects should supplement these with full NCERT readings for deeper understanding. For others, these summaries, combined with one advanced reference per subject and consistent current affairs, are fully adequate.

Are the Class 12 History and Economics summaries split into parts?+

Yes. Class 12 History is available in three separate parts matching the three volumes of Themes in Indian History. Class 12 Economics is split into Microeconomics and Macroeconomics, again matching the actual NCERT book structure. This makes it easy to download only the part you need during targeted revision.

How often should I revise these NCERT summaries?+

Most toppers recommend at least 3 full revisions of NCERT-level content before Prelims - first read for understanding, second read for retention, third read for recall. Using these summaries for your second and third revisions is significantly more efficient than rereading full textbooks.