Civil Services Indian Polity 6th Edition (Latest Ed.)By M Laxmikant 6th Edition(2019)With General Knowledge 2021 By Anuresh Gupta . (Best For Civil Services, UPSC,IAS,IPS EXAM English Medium Bihar Psc,psc Exam,use Ful For Ugc-Net)(Paperback, Arunesh Gupta, M Lakshmikant)