What is your rank ? I can tell if rank is given.there is huge difference between last year and this year scores and respective ranks.

Hiii reddy

There are lot many factors that would decide the rank category,Date of exam, marks,exam slot so kindly refer the below link to try it

Https://engineering.careers360.com/gate-score-predictor

But you have scored good marks., .For IITs, your GATE score is near about to 800.

Here is the cut off trends of previous year for IITs 

Https://www.google.com/amp/s/engineering.careers360.com/articles/gate-cutoff-for-ce/amp

I would also like to recommend try for college predictor, where as you have quite low marks

Https://engineering.careers360.com/gate-score-predictor

After you get the score kindly use the college predictor

Https://engineering.careers360.com/gate-college-predictor?icn=gate-clgpd-trail&ici=gate-rp_result_page_upper_lin

Regards