Hii,

Yes you have to make a certificate stating that you are belonging to minority Caste if you want to take the advantage of your quota for admission and all

To make a minority caste certificate

You need to make a affidavit with some specific details like DOB, permanent adress, phone number and all.

Then you will have to attest this affidavit and stamped.

For more information about how to make minority certificate you can check online.

You can check from the below mentioned official link

https://www.india.gov.in/people-groups/community/minority-community

To open copy and paste the link in a new tab of your browser

Hope this will help you,

All the very best!!