Hi aspirant

Usually PSU call students on the basis of ranks under 500.There are lots of students who are applying for the PSUs through carrers section on the official website.Usually gate score are the only basis for shortlisting the candidate.After that you might go through personal interview or GD.You might get shortlisted by IOCL if you have applied earlier.Because the application process is closed now .But if not then you should apply for other PSUs as well like CEL,NPCIL,RITES,WBSEDCL etc.

You will definately get PSUs .But you need to apply for all of them listed above.

Visit the link to know more:https://engineering.careers360.com/articles/psu-recruitment-through-gate

Check the cut off of PSUs:https://engineering.careers360.com/articles/what-are-gate-scores-for-psu-recruitment

Hope this helps you.