PRELIMS - Enough can't be said about this stage of the exam. For some it is a cakewalk and for others it turns into the bane of their lives. I myself faced a hiccup here that was deeply demotivating. But post that, I did spend an insane amount of time making sure prelims wouldn't be a hindrance. Also, a huge disclaimer before I share my approach - you don't need to do all of this. In fact, I know people who have cleared prelims without having done a fraction of this. But if you are not a 100% sure that you can get past prelims easily, then I suggest you work on it till you feel confident enough. Because a year wasted due to failure in prelims is just the worst thing that can happen to you in this exam (majorly because of the psychological effect that it can have). My exhaustive approach: Reading list : First off, finish up the must read standard books such as Laxmikant, NCERTs, Spectrum, Shankar IAS. Make notes wherever necessary. Test series : I gave close to 80 te...