Hello Sawraj,

To get into any good PSUs in Electrical department you need to have a good marks. But as you said that you belong to reserve category you have a fairly decent chance to get into a good PSU. But you have to consider two things before looking previous year cut-off that is the no. Of candidates applying for that post and the level of examination of GATE. Which may vary every year.

But I'll provide you the link where you can check the previous year cut-off of different PSUs

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

 I'm also providing you the link which will tell you as which PSU you can apply to have a good chance in that

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

Hope this will help you. Feel free to ask any query.