You can check your chances in various colleges based on your score and category, you should try Careers360 college predictor and rank predictor.

Link for Careers360 rank predictor:- https://engineering.careers360.com/gate-college-predictor

All the very best and good luck.

yes you can apply for the Top IITs You can go for IIT Mumbai Delhi madras and kanpur.frankly speaking you can apply to any of the top IITs as you do have a good chance to get the admission in the above-mentioned IITs for further assistance you can check the below link.

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