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.

• IIT delhi rock engineering and management
• IIT Guwahati
• IIT Bombay offshore engineering
• IIT roorkee
• If you are targetibg tier1 colleges like IIT Madras and Kharagpur cjances seem low as cutiffs well above 700.
• The above cutoff is as per previous years trends and can vary as per performance of candidates and difficulty level of the exam.
• All the best.