hi,

only a few iits offer mtech courses on aerospace engineering,

iit bombay

iit kharagpur

iit kanpur

iit madras

iist thiruvanthapuram

iiest shivpur,

however your scores are quite close with iit kanpur and iit madras if you are from general category, you should definitely apply.

You may use Careers360 college predictor tool to know your predictable colleges

https://engineering.careers360.com/gate-college-predictor