UPSC Study Material for Prelims Exam - Check Complete Notes in Hindi & English [Free] : IAS

In this post, direct links are provided for the essential topics for UPSC and are categorized for better understanding and comprehension. The topic-wise categorization of UPSC Study Material is aimed to help aspirants prepare efficiently & score good marks in the upcoming UPSC IAS & State PCS Examination 2021-22.

Complete Notes for Prelims Exam in Hindi & English [Free]

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UPSC Study Material - History Notes (Ancient to Modern)

S. No.	Topic	Study Material Link
1	Indian History in Chronological Order: Important Dates	Click Here
2	Indus Valley Civilization (IVC)	Click here
3	Early Vedic Period (1500 BC - 1000 BC)	Click here
4	Later Vedic period (1000 BC - 500 BC)	Click here
5	Buddhism & Jainism	Click here
6	Mahajanapadas, Haryanka Dynasty, Shishunaga Dynasty, Nanda Dynasty	Click here
7	Maurya Period	Click here
8	Foreign Invasions in India	Click here
9	Kushana Empire	Click Here
10	Gupta Period	Click here
11	Sangam Age	Click here
12	Chalukya Dynasty and Pallava Dynasty	Click here
13	States in North India (Palas, Pratiharas and Rashtrakutas)	Click here
14	The Rajput States	Click here
15	Vijaynagar and Bahmani Kingdoms	Click here
16	Delhi Sultanate Part-1	Click here
17	Delhi Sultanate Part-2	Click here
18	Mughal Empire Part-1	Click here
19	Mughal Empire Part-2	Click here
20	Mughal Empire Part-3	Click here
21	Mughal Empire Part-4	Click here
22	Bhakti and Sufi Movement	Click here
23	Advent of Europeans in India	Click here
24	Peasant Movements in India: Civil Uprising	Click here
25	Tribal Revolts in India	Click here
26	Revolt of 1857	Click here
27	Political & Socio-religious Organization Before INC	Click here
28	Governor-General and Viceroy of India	Click here
29	Indian National Movement (1885-1905)	Click here
30	Indian National Movement (1905-1917)	Click here
31	Newspapers and Journals during British India	Click here
32	Indian National Movement (1917-1947)	Click here
33	Education during the British Period	Click here
34	Revolutionary Movements During British Period	Click here
35	Development of Press during the British Period	Click here
36	Post Independence Consolidation of India	Click here
37	Land Revenue System	Click here
38	Chronology of Important Events in Indian History	Click Here

UPSC Study Material - Art and Culture Notes

S.No.	Topic	Study Material Link
1	Indian monuments and their builders (state-wise)	Click here
2	Classical Dances, Folk Dances and Martial Arts	Click here
3	Indian Paintings	Click here
4	Famous Temples in India	Click here
5	Indian schools of Ancient Indian Philosophy	Click here
6	UNESCO Intangible Cultural Heritage Sites in India	Click here
7	UNESCO World Heritage Sites	Click here
8	GI Tag	Click here
9	Puppetry, Theatre Forms, Musical Instrument	Click here
10	Mughal Architecture	Click here
11	Architecture During Delhi Sultanate	Click here
12	Ancient Indian Architecture	Click here

UPSC Study Material - Indian Polity Notes

S.No.	Topics	Links
1	Important Articles of the Indian Constitution	Click here
2	Historical Evolution of the Constitution (Regulating Act, Charter Act, GOI Act)	Click here
3	Making of Indian Constitution (Constituent Assembly & sources of the constitution)	Click here
4	Preamble, Union and Its Territory, Citizenship	Click here
5	Fundamental Rights (FR) & Fundamental Duties (FD)	Click here
6	Directive Principles & State Policies (DPSP)	Click here
7	President of India (Qualification, Election, Impeachment, Power etc.)	Click here
8	Vice President of India (Qualification, Election, Impeachment etc.)	Click here
9	Indian Parliament Notes	Click here
10	Indian Judiciary	Click here
11	Constitutional Bodies	Click here
12	Non-Constitutional Bodies	Click here
13	Governor, Chief Minister and Council of Minister	Click here
14	J & K: Article 35 A	Click here
15	J & K: Article 370	Click here
16	Lokpal and Lokayukta Act	Click here
17	Representation of People's (RPA) Act	Click here
18	Basic Structure of the Constitution	Click here
19	Anti-Defection Law	Click here
20	RTI Act	Click here
21	Public Interest Litigation (PIL)	Click here
22	Political Philosophies	Click here
23	Important Amendments in the Indian Constitution	Click here
24	The local Government system in India	Click here
25	Electoral Bonds Sold During Recent Elections	Click here

UPSC Study Material-Indian Economy Notes

1	Five Year Plans: History of Economic Planning in India	Click here
2	National Income (GDP, GNP, NNP, Personal Income etc.)	Click here
3	Various Price Indices in India (CPI, WPI, CPI-AL, CPI-RL etc.)	Click here
4	RBI and Monetary Policy	Click here
5	Different type of Unemployment	Click here
6	Inflation (Types and Effects)	Click here
7	Poverty in India	Click here
8	History of Banking in India	Click here
9	Money Market- Banking System in India	Click here
10	Capital Market	Click here
11	Balance of Payment- Current Account Deficit	Click here
12	Introduction of Union Budget	Click here
13	Microeconomics Notes: Economic Theory	Click here
14	World Trade Organisation: Structure, Objectives, Agreements, Subsidies	Click here
15	Economic Survey 2020 PDF	Click here
16	Union Budget 2021-22 PDF	Click here
17	NITI Aayog and the Important Reports	Click here
18	Role of International Labour Organization (ILO) in Social Security	Click Here
19	Pradhan Mantri Garib Kalyan Yojana	Click Here
20	MGNREGA; the Contribution in Strengthening the Rural Economy	Click here
21	Regulatory Bodies	Click Here
22	What is a Currency Swap?	Click Here

UPSC Study Material- Geography Notes

S.No.	Topic	Study Material Link
1	India and the Administrative Units; the States and Union Territories (Part I)	Click Here
2	Physiography of India (Himalayas, Northern Plains)	Click here
3	Physiography of India (Peninsular Plateau, Coastal Plains, Islands)	Click here
4	Drainage System in India	Click here
5	Soils and Agriculture in India	Click here
6	Important Lakes in India	Click here
7	Indian Climate Notes: Monsoon, El Nino Effect, Koeppen's Classification	Click here
8	Natural Vegetation in India (Different type of forest in India)	Click here
9	Solar System	Click here
10	Census 2011	Click here
11	Important Dams in India	Click here
12	Minerals in India	Click here
13	World Geography: Mountain Ranges, Peaks, Rivers, Lakes	Click here
14	World Geography: Desert, Trenches, Straits	Click here
15	World Geography: Ocean Currents, Volcanoes, Boundary Lines Between Countries	Click here
16	Interior Structure of the Earth	Click here
17	Landforms: Fluvial, Glacial, Karst, Coastal & Arid	Click here
18	Geomorphic Processes: Endogenic and Exogenic Process	Click here
19	Classification of Clouds	Click here
20	Climate: Introduction and factors affecting it	Click here
21	Important Tribes of India	Click here
22	Important Straits	Click here
23	Mediterranean Type Climate	Click here
24	Steppe Type Climate	Click here
25	Agriculture in India	Click here
26	Ozone Layer, Ozone Hole Recovery	Click Here
27	Protected Area network in India: Key highlights	Click here
28	Sunderban Biosphere Reserve, the World Heritage Site rich in Biodiversity	Click Here

UPSC Study Material: Science & Technology Notes

General Science

S.No.	Topic	English Link	Hindi Link
1	Biology, Chemistry, Physics	PDF Link	PDF Link
2	Important Scientific Laws and Theories	Click here
3	Diseases and its Affected Area	Click here
4	World Neglected Tropical Diseases	Click here
5	About the Production Linked Incentive (PLI) Scheme for Drug Intermediates & APIs	Click here

Biotechnology

Biotechnology and Its Applications	Click here
Oxygen Concentrator, Oxygen Cylinder	Click here

Defence Technology

1	Missile Technology	Click here
2	Iron Dome Defence System	Click here
3	Brahmos: Supersonic Cruise Missile	Click here
4	Chinook Helicopter (Boeing CH-47)	Click here
5	Dassault Rafale Aircraft	Click here
6	Apache AH-64E Helicopter	Click here
7	Sukhoi Su-30 MKI Aircraft	Click here
8	Mirage 2000 Aircraft	Click here

Space Technology

Mission Shakti: All you need to Know	Click here
Chandrayaan-2- Space Mission	Click here

UPSC Study Material: Environment & Ecology Notes

1	Basic Terminology on Environment & Ecology Part-1	Click here
2	Basic Terminology on Environment & Ecology Part-2	Click here
3	Biodiversity Hotspots in India & World	Click here
4	Tiger Reserves in India	Click here
5	Biosphere Reserves in India	Click here
6	National Parks	Click here
7	Ramsar Wetlands	Click here
8	Environmental Conventions and Protocols	Click here
9	Coral Reefs: Introduction, Types, Formation, Locations	Click here
10	List of Environmental Organization in India	Click here
11	List of Global Environmental Organizations	Click Here
12	What is Acid Rain: Causes, Effects, Solutions?	Click here
13	Ozone Depletion: Causes, Effects, Solutions	Click here
14	Ocean Acidification: Introduction, Causes, Effects and Solutions	Click here
15	Environment Pollution: Types, Causes, Effects	Click here
16	Biogeochemical Cycles	Click here
17	Climate Change	Click here
18	Sulphur Cycle	Click here
19	Phosphorus Cycle	Click here
20	E-waste Management in India	Click here
21	Solid Waste Management in India	Click here
22	Red Sanders Smuggling: Impact on the Environment	Click Here
23	Know All About Beema Bamboo	Click Here
24	Know about Net Zero Producers’ Forum	Click Here

UPSC Study Material: Miscellaneous Notes

1	Important facts about India Part-1	Click here
2	Important facts about India Part-2	Click here
3	List of nicknames of Indian Cities	Click here
4	List of Important Indian Cities on River Banks	Click here
5	Famous Sports Personalities in India	Click here
6	International Organisations Notes	Click here
7	Government Schemes: Ministry of Finance	Download Here
8	National Symbols of India	Click here