HI FRIENDS IN S.M CASE STUDY IS THE MAJOR PART FOR GAINING MARKS IN PCC OR IPCC.
OUT OF 5O MARKS 20 MARKS IS FROM CASE STUDY.
IF WE THOROUGH WITH THIS WE CAN GET 40% MARKS IN S.M.
I GOT THIS ONE BY MY FRIEND .
I THINK IT IS VERY USEFUL TO ALL OF YOU