Hello Amir,

After giving Gate ,various PSU have their cutoffs by which they call for interview.You can get all information regarding variuos Navratan company on their website.Different PSU have different criteria after basic cutoofs which is somehow similar to one another.You can get all other information regarding this on their website.

To know about how to apply for PSU  after gateolloiw this link:

https://youtu.be/UaEpW_3LQNg

hope this helps you.