Hello Darshan,

The cut off marks varies for each branch and PSU. It is difficult to mention the minimum marks required.Usually cut off for general category candidates will be above 65, for SC/ST candidates 50-70 marks, for OBC 55-65 marks.Cut off is subjected to change every year.You can see more detailed information by clicking the link below

https://engineering.careers360.com/articles/what-are-gate-scores-for-psu-recruitment

I hope this is helpful to you.