UPSC Free Notes & PDF Library

Prelims • Mains • Interview – Notes, PYQs, Optional, NCERT, Interview Prep

For the UPSC Civil Services Examination (CSE), It is quite difficult to prepare without well-organised and reliable study resources for your optional subject as well as general studies. Our carefully curated library of free UPSC notes is designed to help applicants at every stage of their preparation. Our free PDF topic wise notes for UPSC cover all the essential topics, including geography, history, politics, economy, environment, science and technology, and current affairs, whether you are preparing for the IAS Prelims, Mains, or Interview (Personality Test).These UPSC free preparation resources will help you to navigate through the extensive syllabus of the UPSC exam without any hurdles.

Because these free UPSC study aids are made to match the official UPSC syllabus and exam style, they are ideal for both inexperienced and seasoned candidates. From complex conceptual insights to NCERT-based summaries, every note is designed to improve your memory and save you time.It includes NCERT notes ,topic wise free UPSC notes and GS Prelims and UPSC Mains notes. We offer topic-by-topic GS breakdowns, historical patterns, and explicit guidance on how to practise writing responses. Whether you're attending lessons with a coach or alone, these IAS study notes will be your go-to resource.

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General Studies Paper I (GS1) – Free Notes & PYQs
History • Heritage • Society • Geography
GS I Topics Covered – Notes PDF
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GS Paper I PYQs (2013–2024)
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General Studies Paper II (GS2) – Free Notes & PYQs
Polity • Governance • IR • Welfare
GS II Topics Covered – Notes PDF
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GS Paper II PYQs (2013–2024)
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General Studies Paper III (GS3) – Free Notes & PYQs
Economy • Environment • Security • Tech
GS III Topics Covered – Notes PDF
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GS Paper III PYQs (2013–2024)
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General Studies Paper IV (GS4) – Free Notes & PYQs
Ethics • Integrity • Aptitude
GS IV Topics Covered – Notes PDF
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GS Paper IV PYQs (2013–2024)
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Supplementary Resources: Optional Subjects, NCERT Summaries, Interview Prep
Optional Subjects – Notes & PYQs
SubjectNotes PDFPYQs / Practice
Public AdministrationDownloadPYQs
SociologyDownloadPYQs
PSIRDownloadPYQs
NCERT Summaries (Old & New) – Class VI to XII
SubjectSummary PDF
ScienceDownload
Political ScienceDownload
HistoryDownload
EconomyDownload
Interview Preparation Materials
ResourceDownload PDF
Personality Test GuideDownload
Common Interview QuestionsDownload

Frequently Asked Questions

For UPSC GS I–IV, free PDF notes are accessible that include history, etiquette, economics, the environment, ethics, and current events. These follow the syllabus and are useful for interviews, mains, and preliminary tests.
Can someone pass the Civil Services Examination using free UPSC notes?
Free UPSC notes that include NCERT summaries and PYQs provide a good starting point, but for a more comprehensive preparation, applicants should also study standard books and practice writing their responses.
How may UPSC preparation be aided by Previous Year Questions (PYQs)?
Because UPSC PYQs (2013–2024) highlight recurring topics, question trends, and improve answer-writing skills, they are an essential tool for test success.
What topics are included in the free PDFs of UPSC GS Notes?
The GS I–IV free notes cover a wide range of topics, including history, etiquette, governance, economics, science and technology, the environment, security, and ethics.
Can I get the UPSC PYQs and free notes in PDF format?
UPSC GS Notes and PYQs (2013–2024) are freely downloadable PDFs organised by topic to assist applicants in creating a reliable study aid.
Tip: Replace href="#" with real URLs. Duplicate rows to add topics. Search filters and auto-expands relevant papers.
UnitTopic NameDownload
1The Mughal EmpireDownload PDF
2Bhakti MovementDownload PDF
3The Gupta PeriodDownload PDF
4Prehistoric & Harappan PeriodDownload PDF
5Jainism and BuddhismDownload PDF
6The Mauryan EmpireDownload PDF
Topic NameDownload PYQs
The Mughal EmpireDownload PYQs
Bhakti Movement Download PYQs
The Gupta PeriodDownload PYQs
Prehistoric & Harappan PeriodDownload PYQs
Jainism and BuddhismDownload PYQs
The Mauryan EmpireDownload PYQs
UnitTopic NameDownload
1Indian Constitution – Features, Amendments, Basic StructureDownload PDF
2PreambleDownload PDF
3Executive – President, PM, Council of MinistersDownload PDF
4Good Governance & TransparencyDownload PDF
5Transparency and Accountability (RTI, Citizen Charters, Social Audit)Download PDF
Topic NameDownload PYQs
Indian Constitution – Features, Amendments, Basic StructureDownload PYQs
Preamble of the Indian Constitution>Download PYQs
Executive – President, PM, Council of MinistersDownload PYQs
Governance & TransparencyDownload PYQs
Transparency and Accountability (RTI, Citizen Charters, Social Audit) Download PYQs
UnitTopic NameDownload
1Indian EconomyDownload PDF
2Agriculture – Issues, Reforms, MSP, IrrigationDownload PDF
3Science & Technology – Innovation, Space, BiotechDownload PDF
4Environment – Pollution, Climate Change, ConservationDownload PDF
5Internal Security - Money LaunderingDownload PDF
6Internal Security – Border Management, CybersecurityDownload PDF
7Internal Security - Organization crime & TerrerisomDownload PDF
7Disaster ManagementDownload PDF
7Environment – Air PollutionDownload PDF
Topic NameDownload PYQs
Indian Economy – Growth, Budget, PlanningDownload PYQs
Agriculture – Issues, Reforms, MSP, IrrigationDownload PYQs
Science & Technology – Innovation, Space, BiotechDownload PYQs
Environment – Pollution, Climate Change, ConservationDownload PYQs
Internal Security - CyberSecurityDownload PYQs
Internal Security - Money LaunderingDownload PYQs
Internal Security - Organization crime & TerrerisomDownload PYQs
Disaster ManagementDownload PYQs
Environment –Air PollutionDownload PYQs
UnitTopic NameDownload
1Ethics & Human InterfaceDownload PDF
2Attitude, Aptitude & Emotional IntelligenceDownload PDF
3Ethical Dilemma -Meaning, Nature & ResolutionDownload PDF
4Public/Civil Service Values & Ethics in GovernanceDownload PDF
5Probity in Governance – RTI, Citizen Charter, Codes of ConductDownload PDF
6Ethics Case Studies (Administrative Scenarios)Download PDF
Topic NameDownload PYQs
Ethics & Human InterfaceDownload PYQs
Attitude, Aptitude & Emotional IntelligenceDownload PYQs
Ethical Dilemma -Meaning, Nature & ResolutionDownload PYQs
Public/Civil Service Values & Ethics in GovernanceDownload PYQs
Probity in Governance – RTI, Citizen Charter, Codes of ConductDownload PYQs
Ethics Case Studies (Administrative Scenarios)Download PYQs
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