Can you give me name of some best books for preparation of Indian administrative service Mains Examination

Here I am giving you name of some best books for preparation of Indian administrative service Mains Examination below :

Indian Economy : For Civil Services Examinations 5th Edition
Author: Ramesh Singh




Indian Polity 4th Edition
Author: M Laxmikanth


History of Modern India 1st Edition
Author: Bipan Chandra




IAS Mains Civil Services (Main) Examinations General Studies Chapterwise Solved Papers 2013 - 1997 5th Edition
Author: Siddharth Mittal