Yes you can. Now NMC will release the online registration process for Round 2 on November 18th. But because you have already registered, you needn't re-register. You can fill the choices and lock them. You can check the schedule at: https://mcc.nic.in/UGCounselling/Documents/Edited-Schedule-dated-29.10.2020.pdf . Choice locking will be open from 3pm on November 22nd. There is no cap on no.of Colleges that you can select in choice filling. The seat will be allotted based on merit and preference. For a complete list of colleges that you may have a shot at, please use our College predictor: https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer .