Are you presently intending to pick out Maths as your UPSC optional matter? If yes, look at this article. In this article you will see the best books and ideas to tackle this optional. Simply click here to learn more. 2nd revision: Only do the issues marked in 1st revision. https://upscmathstrategy59246.csublogs.com/23001702/upsc-maths-optional-coaching-in-chennai-can-be-fun-for-anyone