More suggestions for UPSC books

These are the books you can refer to:

1. Modern History: Spectrum Publications
2. Ancient History: Old NCERT (RS Sharma)
3. Medieval History: Never prepared
4. Post Independence: India Since Independence (Bipan Chandra)
5. Art & Culture: Nitin Singhania and CCRT website
6. Geography Physical: NCERT class XI
7. Geography-Climatology: GC Leong
8. Indian Geography: Khullar
9. Polity: M. Laxmikanth
10. Environment: Shankar IAS+Mrunal
11. Indian Economy: Ramesh Singh+Mrunal
12. Economic Survey: Esp. for Mains
13. The Hindu
14. Yojana Magazine: Esp. for Mains
15. VisionIAS current affairs monthly booklets.