Checklist of Prelims Sources 1. Current affairs — VisionIAS, Insights, or GK Today compilations ...only one; monthly compilations or weekly, do monthly diligently on time. 2. Environment and ecology — Shankar IAS and Environment book by Vaishali Anand and Majid Hussain. 3. Polity — Laxmikant, My notes 4. Geography — G C Leong, Vajiram notes 5. Economics — Sriram IAS notes, YouTube lectures by Khan academy on macroeconomic, Mrunal lectures. 6. History and Culture — Bipan Chandra books, Nitin Singhania. 7. Science and technology — Mostly current affairs and NCERTs as given below. 8. CSAT — RS Agarwal 9. Newspaper — read one Hindu or Indianexpress, don’t make notes, use compilations. 10. Notes — make for optional, not needed for other subjects. Focus on answer writing, make checklists and lists of key things to remember. NCERTs 1. Polity — Class XI Constitution at work 2. Environment — Class XI Ecology 3. Science — Class 6-10 4. History — Class XI ...