Read NCERTs of class VI-XII.
Also , follow the subjective books that are must for an aspirant.
Just go through this link to know how to read NCERTs : https://goo.gl/bmifLD
ThanksANSWERS： NCERT is the prescribed academic book from CBSE board. So,NCERT is just enough for understanding but one must practice from several other books available in market.ANSWERS： read NCERTS first then you can go for any other book or materialANSWERS： No the book is not sufficient……