All India Counselling will be held in 2 Rounds and a Mop up round. Under All India Quota, All the 15% of All India Quota Seats except for Jammu and Kashmir, 100% Seats at Deemed and Central Universities, IP Quota seats in ESIC Colleges, Seats at AFMC, AIIMS and JIPMER are filled by DGHS. So if you have registered for Round 1, you needn't register again. NMC will release the date for choice filling for Round 2. And then you have to login to your MCC application with your login credentials and fill your choices. There is no limit for the no.of choices you can fill. You need to fill them wisely so as to get a sure seat. This year for Round 2, the cut offs for Deemed Universities might go way higher and so skipping Deemed Universities is an ideal option. . 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 . Also please read https://mcc.nic.in/UGCounselling/Documents/UGSchemeFinal.pdf