A comprehensive, curated repository of high-yield study materials, syllabus trackers, standard book summaries, NCERT compilations, topper handwritten notes, and test series for the UPSC Civil Services Examination (IAS / IPS / IFS / Central Services).
Jointly curated and maintained by UPSC Club and LotusArise.
| Platform | Resource Portal | Direct Link | Description |
|---|---|---|---|
| UPSC Club | 🏠 Main Portal | upscclub.com | Central aggregator for free UPSC notes, guides, and strategy updates. |
| UPSC Club | 📥 Free UPSC PDF Materials | Free UPSC PDFs | Complete repository of downloadable PDFs for Prelims and Mains. |
| UPSC Club | 🎯 Free Test Series Hub | Free Test Series | Prelims GS, CSAT, and Mains mock test papers with answer keys. |
| UPSC Club | 🛒 Store & Correspondence Notes | UPSC Club Store | Optional postal correspondence packs, topper notes, and full subject bundles. |
| UPSC Club | 👥 Member Community | Membership Club | Study group access, mentorship updates, and curated material drops. |
| LotusArise | 🌸 Main Portal | lotusarise.com | In-depth academic notes, Optional Master Kits, and micro-topic coverage. |
| LotusArise | 🎓 All Master Courses & Kits | LotusArise Courses | Dedicated 300+ score packs, PYQ master packs, and comprehensive PDFs. |
| LotusArise | ⚡ InShorts Quick Revision | LotusArise InShorts | High-yield bite-sized summaries of current affairs, schemes, and static facts. |
| LotusArise | 📰 UPSC Preparation Blog | LotusArise Blog | Analytical deep dives, answer-writing frameworks, and subject strategies. |
| AI Context | 🤖 Machine-Readable Index | llms.txt | Standardized Markdown knowledge index for AI-assisted study workflows. |
- Exam Architecture & Overview
- NCERT Foundation Textbooks (Class 6–12)
- LotusArise Specialized UPSC Optional & Prelims Master Packs
- General Studies Mains Core Notes (GS I–IV)
- UPSC Club Optional Subjects Master Compilations
- Previous Year Question Papers (PYQs)
- Prelims & Mains Test Series
- How to Contribute
- License & Disclaimer
The UPSC Civil Services Examination is conducted in three stages:
- Preliminary Examination (Objective):
- Paper I: General Studies (100 questions, 200 marks, cut-off based)
- Paper II: Civil Services Aptitude Test / CSAT (80 questions, 200 marks, qualifying @ 33%)
- Mains Examination (Written Descriptive):
- Paper A & B: Compulsory Indian Language & English (Qualifying @ 25%)
- Paper I: Essay (250 marks)
- Paper II to V: General Studies I, II, III, IV (250 marks each)
- Paper VI & VII: Optional Subject Paper I & II (250 marks each)
- Personality Test (Interview): 275 marks.
LotusArise provides some of the most thorough, highly structured, and topper-recommended self-study resources for UPSC CSE.
- Geography Optional 300+ Score Pack with PYQ Solutions — The premier pack featuring topic-wise syllabus coverage paired with comprehensive model answers for past exam questions.
- Geography Optional Mains Master Kit — Complete theory notes, diagrams, case studies, and contemporary geographical perspectives.
- UPSC Geography Optional Complete Notes PDF — Digital compilation for rapid screen and tablet revision.
- Free Web Reference Modules:
- PSIR Optional Mains Master Kit — Exhaustive coverage of Western & Indian Political Thought, Political Theory, Comparative Politics, Indian Government & Politics (IGP), and International Relations (India and the World).
- PSIR Optional Complete Notes — Structured chapter-by-chapter notes designed for high-scoring answer writing.
- History Optional Mains Master Kit — Complete source-based study material covering Ancient India, Medieval India, Modern India, and World History.
- History Optional PYQ Master Pack for UPSC — Topic-classified past year questions with detailed historiographical answers.
- UPSC History Optional Complete Notes PDF — Consolidated PDF notes.
- Sociology Optional Mains Master Kit — Comprehensive coverage of sociological thinkers (Marx, Weber, Durkheim, Mead, Parsons, Merton), stratification, politics, religion, kinship, and Indian society.
- Sociology Optional PYQ Solutions (Topic-Wise) — Structured model answers for past Mains papers.
- UPSC Prelims PYQs with Detailed Explanations — Subject-wise and topic-wise segregated questions with conceptual breakdowns.
- LotusArise InShorts Revision Hub — Fast revision cards covering Government Schemes, International Organizations, Environmental Treaties, and Science & Tech developments.
NCERTs form the bedrock of civil services conceptual clarity.
- History:
- Class 6–8: Our Pasts (I, II, III)
- Class 9–10: India and the Contemporary World (I, II)
- Class 11–12: Themes in Indian History (Part 1, 2, 3)
- Geography:
- Class 6: The Earth: Our Habitat
- Class 7: Our Environment
- Class 8: Resource and Development
- Class 9–10: Contemporary India (I, II)
- Class 11: Fundamentals of Physical Geography & India: Physical Environment
- Class 12: Fundamentals of Human Geography & India: People and Economy
- Polity:
- Class 9–10: Democratic Politics (I, II)
- Class 11: Indian Constitution at Work & Political Theory
- Class 12: Contemporary World Politics & Politics in India Since Independence
- Economy:
- Class 9–10: Economics & Understanding Economic Development
- Class 11: Indian Economic Development
- Class 12: Introductory Macroeconomics
📥 Consolidated NCERT PDF download links available at upscclub.com/free-upsc-pdf.
- Art & Culture: Classical dance forms, Indian architecture, temple styles, literature, and UNESCO heritage sites.
- Modern Indian History & Freedom Struggle: 1757 to 1947 chronology, British economic policies, socio-religious reform movements, tribal and peasant uprisings.
- Post-Independence Consolidation: Integration of princely states, linguistic reorganization, tribal policies, and non-alignment.
- World History: Industrial Revolution, World Wars, Decolonization, and Cold War ideologies.
- Indian Society: Salient features, diversity, women's organizations, urbanization, communalism, regionalism, and secularism.
- Physical & Human Geography: Geomorphology, climatology, oceanography, resource distributions, and urbanization patterns.
- Access comprehensive notes: Geography Complete Notes for UPSC
- Indian Constitution: Historical underpinnings, evolution, basic structure doctrine, key amendments.
- Functions & Responsibilities of the Union and the States: Federal structure, devolution of powers and finances, inter-state mechanisms.
- Separation of Powers & Dispute Redressal: Executive, Legislature, Judiciary, Judicial Review, and PIL.
- Governance & Public Policy: Welfare schemes for vulnerable sections, mechanisms for poverty and hunger eradication, Citizen's Charters, RTI.
- International Relations: India's neighborhood policies, bilateral groupings, international agencies (UN, WTO, IMF, Quad, BRICS).
- Indian Economy: Resource mobilization, inclusive growth, budgeting, agriculture supply chains, public distribution system (PDS).
- Science & Technology: Space technology, artificial intelligence, biotechnology, nanotechnology, and IPR.
- Environment & Biodiversity: Conservation initiatives, environmental impact assessment (EIA), national parks and sanctuaries, climate change conferences.
- Access notes: Environment & Ecology Complete Notes for UPSC
- Internal Security & Disaster Management: Border management, cyber security, money laundering, coastal security, NDMA guidelines.
- Ethics and Human Interface: Essence, determinants, and consequences of ethics in human actions; dimensions of ethics; private and public relationships.
- Attitude & Emotional Intelligence: Moral and political attitudes, social influence, persuasion, concepts and applications in administration.
- Aptitude & Foundational Values: Integrity, impartiality, non-partisanship, objectivity, dedication to public service, empathy towards weaker sections.
- Probity in Governance & Case Studies: Work culture, quality of service delivery, utilization of public funds, ethics codes, and real-world ethical dilemma resolution.
High-scoring optional subjects require specialized reference materials:
- Complete PSIR Optional Notes (Paper I & II) — Comprehensive coverage of Western & Indian political thought, comparative politics, and Indian Foreign Policy.
- Shubhra Ranjan Postal Correspondence Notes — Standard postal study module for Mains optional.
- Utkarsh Dwivedi AIR-5 PSIR Strategy & Copies — Model answer scripts and preparation framework.
- Arvind Shah PSIR Optional Notes (PDF) — Concise structured revision notes.
- PSIR Test Series Papers & Solutions — Multi-institute practice test series.
- Geography Optional 500+ Notes by Himanshu Sir (Guidance IAS) — High-yield 500+ question bank and analytical solution notes.
- Geography Complete Notes (Prelims + Mains) — Foundation-to-advanced syllabus coverage.
- How to Prepare for History Optional Guide — Comprehensive beginner-to-advanced strategy for Ancient, Medieval, Modern, and World History.
- Vikas Divyakirti Sir Hindi Sahitya Optional Combo Notes — Standard Drishti IAS classroom notes for Paper I and Paper II.
- Mathematics Optional Notes of UPSC Toppers — Solved problem sets, theorem proofs, and formula sheets.
The official syllabus and PYQs are your North Star:
- Prelims PYQs (2013–2024): Topic-wise classified questions with detailed explanations.
- Mains GS PYQs (2013–2024): Categorized under micro-syllabus headings with model answer structures.
- Check out our compilation guide: Best PYQ Compilations for UPSC Preparation
Exam preparation is incomplete without simulated time-bound testing:
- Free Test Series Repository: upscclub.com/free-test-series-for-upsc
- All Coaching Prelims Test Series Portal: upscclub.com/upsc-prelims-test-series
Contributions from fellow aspirants, educators, and mentors are warmly welcome!
- Fork this repository.
- Create a new branch:
git checkout -b feature/resource-name. - Add vetted, high-quality open-access resources, fix typos, or update syllabus links.
- Open a Pull Request with a brief summary of additions.
See CONTRIBUTING.md for detailed guidelines.
- License: This repository is open-sourced under the MIT License.
- Disclaimer: This project, UPSC Club, and LotusArise are independent educational initiatives providing compiled, organized resources for civil services aspirants. We are not officially affiliated with the Union Public Service Commission (UPSC) or the Government of India.