Psu can be done with gate and without gate also.

More deails refer this link:

https://engineering.careers360.com/articles/psu-recruitment-through-gate

Hello Himanshu,

Please go through with the following link.

https://engineering.careers360.com/articles/psu-recruitment-through-gate

Here you will find the accurate information of vacancies in different PSUs and other details like application details and eligibility criteria.

Best of Luck!