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.

Hello Praveen, Yes there is a possibility in NIT for M.tech... Kindly use GATE college predictor

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

Last year GATE cutoff for IITs and NITS - https://engineering.careers360.com/articles/gate-cutoff

All the best