hello Aditi,

according to previous year cut off, for getting admission in IITs your marks is around to 65+.

or your GATE score is near about to 700.

check here previous year cut off trends of IITs for CSE-

https://engineering.careers360.com/articles/gate-cutoff-for-cse

And here is the link for predicting your college list which comes under your rank-

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

Thank You.