Hi aspirant,

All the rounds for JoSSA counselling are over now so you cant participate in that however you can still participate in CSAB counselling. - Central Seat Allocation Board will open CSAB 2021 registration and choice filling for special rounds from November 28 to 30. CSAB NEUT 2021 round 1 seat allotment will also be announced on November 28. CSAB 2021 special round 1 seat allotment will be announced on December 2.

The complete schedule and details for the same has been released, so you can find the complete process with information on the relevant topics at CSAB 2021 - Dates, Registration (Soon), Counselling, Seat Allotment (careers360.com)

Hope it helps!!