query!!

Hello!! I have my gmat score or 710 when i gave my 1st attempt ..now im gonna prepare well nd write again nd m sure m gonna get 750 or so....i wanna get into iimb....my class 10 score is 91% , my class 12 score is 86%, graduation % is 71% nd post grad % is 74%..i have done my MS in US nd m going bac...