Dear Student,

If you are giving exam in 2022, the best book recommended for :-

Polity : Indian Polity - For Civil Services and Other State Examinations by M. Laxmikanth  - 6th Edition

Indian Art and Culture : Indian Art and Culture for Civil Services and other Competitive Examinations by Nitin Singhania - 3rd Edition

These books are best recommended for Indian Polity and Indian art and culture, also their NCERTs of 11th and 12th Humanities are very helpful and informative.

For more details, you can visit :- https://competition.careers360.com/articles/books-for-upsc-ias

Happy Learning!