Class 11 ra cee ko focus ma best Reading source

I am in class 11 now I also have to think to prepare about my cee from now on. Is it best or not ? And as we know cee is become a most chooses course were less people will selects . As I am a student I am here for you great support .
Best free sources which help me for my CEE as well current study which is better . Suggest me names of that
As a new knowledge I think your support help me to continue my future studies as well as a bright journey .