Hello Amrit,

You can prepare for GATE for the recruitment to PSUs. The list of PSUs can be checked from the below mentioned link and also the complete details such as availability of application, complete application process, when will it be available and others can be checked from the article. Please refer to the article for the complete information.

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

All the best!