Hello Ritesh

It depends upon the specialization you want :

Construction Planning & Management— at least 49+ marks

Structural Enginnering— 38+ marks

Geotechnical Engg- 40+ marks

Environmental- 35+ marks

Transportation- 42+ marks

Hydrology- 35+

Energy Management-33+ marks

Irrigation- 35+

Geomatics- 42+

Marine- 36+

Ocean- 37.5+

These above cutoffs are for IIt's(top 7) and for SC category. It may vary with 2-5 marks this year but if you go with this trend then you can get top NIt's.

Follow this link for more info: Https://engineering.careers360.com/articles/gate-cutoff

Https://engineering.careers360.com/articles/gate-cutoff-for-iits

Https://engineering.careers360.com/articles/gate-cutoff-for-nits