Dear student,

The refunds for the JoSAA and CSAB rounds related to NIT+ System was initiated from 15th December 2020 ( as per the information mentioned on the official site ) . You can refer to JoSAA Business rule and CSAB information brochure carefully to assess their eligibility for refunds. The amount will be refunded in the account for which the details had already been provided by you during the registration process.
It usually takes 3 to 4 dates to get refund from the initial date. Also there is no process behind the refund. If you are eligible then you will get your refund jn your bank account automatically.

Check out the following information brochure of csab 2020 special round for information and the refund fees :-
https://csab.nic.in/WebInfo/File/GetFile?FileId=18&LangId=P