Hi there!

Hope you are doing fine.

The documents needed for the admission depends on various universities.

In general, you can take the following things with you:

Aadhar card or any other government identification proof

Bachelor's degree

Class 10th marksheet

Class 12th marksheet

Caste certificate ( if belongs to specific catogary)

Domicile certificate

Income certificate (may or may not)

And others if specified

You can check the official website of particular college/University for more details.

Stay safe.

All the best!!!