Hi there,

Hope everything is fine.

To get admission in the central universities , the caste certificate a bit earlier than the given date can work in favour of you guaranteeing you an admission in a certain college.

You can check about the further details regarding the certificates and all the necessary stuffs by visiting the official website of the various universities and then reading the required documents to  get an idea about the same.

Also, you can contact the official authorities and then check the necessary details required to take the admission and all your queries regarding the certificate and many more.

Hope this resolves your query.