This video is on what is the biggest mistake made by most upsc civil services exam aspirants. This is after upsc prelims 2020.
The common thing is that most do not read the static books.

1. Polity : Laxminkant (it's a must)

https://amzn.to/3awtgbt

2. Shankar Ganesh: basic economics:
https://amzn.to/2FsXsJd


3.Modern India : Sonali bansal :
(Better than spectrum and Bipan chandra)

https://amzn.to/341NIj

4. Ancient and Medieval India by Poonam Dalal maam:
https://amzn.to/3lo94N8

4. Ethics : Balaji DK sir. He secured highest mark and is AP cadre IAS. his book is good.

https://amzn.to/31VJoQ4

5. Geography: NCERT books combined.. Class 11th and 12th :
(One does not need from class 6th )

https://amzn.to/3kUBmjd

6. Environment : shankar ias : latest edition :
https://amzn.to/2Y2OCZ7

8. Science and Technology by Tata Mcgrew Hill:
https://amzn.to/33DcIwy

7. UPSC Previous year question analysis by Mrunal sir :

https://amzn.to/2DYluvh