CBSE & NCERT study notes · Classes 9 to 12
Find your class. Follow the idea.
A starting point for our school study library. Choose your class and subject, understand the ideas behind a chapter, and connect them to the world around you.
Class 9
Existing Science and Social Science notes, organised by topic. Check the new textbook and your school’s chapter list before planning revision.
Science
Explore matter, atoms, cells, motion, energy and sound.
Explore notesHistory
Read about revolutions, colonialism and changing societies.
Explore notesGeography
Explore India’s physical features, climate and population.
Explore notesCivics / Political Science
Understand democracy, institutions, elections and rights.
Explore notesEconomics
Connect resources, livelihoods, poverty and food security.
Explore notesClass 10
Science and Social Science resources for understanding a topic, revisiting a definition and following the links between chapters.
Science
Browse notes on chemical reactions, life processes, electricity and light.
Explore notesHistory
Explore nationalism, industrialisation, global connections and print culture.
Explore notesGeography
Study resources, agriculture, industries and economic connections.
Explore notesCivics / Political Science
Follow power sharing, federalism, political parties and democracy.
Explore notesEconomics
Explore development, economic sectors, money and globalisation.
Explore notesClass 11
Build a foundation in the humanities and business through explanations of ideas, institutions and social change.
History
Explore societies, empires and transformations across world history.
Explore notesPolitical Science
Read about the Indian Constitution and the concepts of political theory.
Explore notesSociology
Explore society, social institutions, culture and research.
Explore notesBusiness Studies
Understand business organisation, enterprise and responsibility.
Explore notesClass 12
Develop connections between historical evidence, political choices, economic ideas and Indian society.
History
Read themes in Indian history, from early societies to the making of the Constitution.
Explore notesPolitical Science
Explore contemporary world politics and politics in India since independence.
Explore notesSociology
Study Indian society, inequality, development and social movements.
Explore notesEconomics
Browse explanations of economic concepts and policy.
Explore notesA useful way to study
Match the chapter
Keep your school’s syllabus and textbook contents beside the notes. Select the topic and edition you are studying.
Explain the idea
Read a section, close it, and write the main idea with one example. Reopen the notes to check what you missed.
Apply and review
Attempt the textbook exercises. Keep a short list of mistakes, unclear terms and questions to discuss with your teacher.
A few useful answers
Which subjects are available?
The library contains Science and Social Science collections for Classes 9 and 10, and selected humanities and business subjects for Classes 11 and 12. The subject cards above link to the collections currently available. They do not represent every subject offered by CBSE.
Are these the official NCERT textbooks?
These are One Young India’s explanatory notes. Use them alongside the textbook prescribed by your school. The NCERT textbook link above takes you to the official textbook collection.
Can I use the notes for another board?
You can use an explanation when its topic matches what you are studying. Chapter order, depth and assessment requirements can differ across boards. These collections have not been mapped in full to ICSE, ISC, IB, Cambridge or individual state-board syllabuses.
Does every collection match the current examination syllabus?
The library includes material from earlier textbook editions as well as current topics. Check the academic year, prescribed text and included chapters with your school before using a collection as an examination checklist.