hi,

see since computer science is a most demanding stream right now, at this score you have no chances for iits, nits for m.tech , however since for ms courses the criteria of marks recruitment goes low compare to m.tech, so you may apply for iit guwahati, iit mandi, you may also apply for jadavpur university, vit vellore, colleges of anna university.

You may use Careers360 college predictor tool to know your predictable colleges

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