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.

I am providing you Gate college predictor which will show what all options you have for your admission in NITs/IITs-
http://www.engineering.careers360.com/gate-college-predictor
Good Luck!!!