You have to read them in a proper order to understand things effectively. List of NCERTs Class 9. 1.Democratic Politics- 1- For Indian Polity 2. India and contemporary world -1 - World History Class 10. 1.Democratic Politics-2- For Indian Polity 2.India and contemporary world -2 For Better understanding. 3.Understanding Economic Development. For Basic Understanding of Economics. Class 11. Geography. 1. Fundamentals of physical geography 2. India. Physical Environment Sociology. Understanding Society Political Science. Indian Constitution at work History. Themes in world History . Only "Towards Modernisation" section Economics. Indian Economic Development Class 12. Geography.1. Fundamentals of Human Geography 2. India- People and Economy Sociology. 1. Indian Society 2. Social change and Development in India Political Science. Contemporary World Politics Economics. Introductory Macro economics For Indian History. Read old ncert written by Bipan chandra. (Class 9, i think) The Logical order in which t have to be studied. 1. Democratic Politics- 1- For Indian Polity 2. Democratic Politics 2- For Indian Polity 3. Political Science. Indian Constitution at work 4. Understanding Economic Development. For Basic Understanding of Economics. 5. Economics. Indian Economic Development 6. Economics. Introductory Macro economics 7. Political Science. Contemporary World Politics 8. India and contemporary world -1 9. India and contemporary world -2 For Better understanding. 10.History. Themes in world History . Only "Towards Modernisation" section 11. For Indian History. Read old ncert written by Bipan chandra. (Class 9, i think) 12. Sociology. Understanding Society 13. Indian Society 14. Social change and Development in India 15. Fundamentals of physical geography 16. India. Physical Environment 17. Fundamentals of Human Geography 18. India- People and Economy You can refer to my other answers related to UPSC preparation, if you are interested. Dhruva Kumar Hiremath's answer to How do I read The Hindu for IAS preparation? It's very tough to understand. How do I make a summary or notes from the Hindu editorials for CSE preparation? Dhruva Kumar Hiremath's answer to How do I read Indian Polity by Laxmikant for civil services? It looks very big and has too many facts to be remembered. Does AIR rank in UPSC affect your posting as an IAS? Dhruva Kumar Hiremath's answer to I am a 3rd year engineering student and a “zero level” UPSC aspirant. I’m unsure what my next step is. How one can prepare for UPSC while studying in an engineering college? Dhruva Kumar Hiremath's answer to Is it possible to become an IAS officer in one year? Dhruva Kumar Hiremath's answer to How does one become an IAS officer? Dhruva Kumar Hiremath's answer to What should be the backup if one does not clear IAS? Dhruva Kumar Hiremath's answer to What are the best YouTube channels for preparing for the IAS? Thank you..
Good Luck. PS: My name is Viral J.