Based on your academic record, the percentiles needed for the afore mentioned colleges are:

IIM A - 99.98+

IIM B - 99.98+

IIM C - 99.95+

FMS - 99.2+

All the best!

Dear Rishi,

To get a call from IIM - ABC one needs to score 99-98 percentile in CAT. Also old IIMs consider your 10th , 12th and graduation marks for the final merit. Start preparing for it and bell the CAT. 

GOOD LUCK