Hello Aspirant,
You can only do fresh registration for mop-up round if you take an exit from earlier rounds otherwise if you are already registered for counselling of earlier round of NEET UG AIQ counselling than there is no need to register again and also if you have not allotted any seat then only you can go for mop-up round otherwise once you join any seat then you cannot go for mop-up round.
As per the counselling schedule available on the official website of MCC, the registration process for Mop-up round will get started from March 10th 2022 and will continue till March 14th. You can check out the complete schedule from the official site and also for your reference it is mentioned below :-
https://mcc.nic.in/WebinfoUG/Page/Page?PageId=1&LangId=P
AIQ Counselling is being conducted in 4 rounds as per the updated schedule given below :-
Events
Round 1
Registration/Payment
January 19 to 30, 2022
February 16 to 21, 2022, up to 12 noon
Choice Filling & locking
January 20 to 30, 2022, up to 11:55 PM
February 17 to 21, 2022, till 11:55 PM
February 24 and 25, 2022
Reporting to allotted colleges
February 2 to 7, 2022
February 27 to March 5, 2022
******* 4th round will be stray vacancy round for which dates shall be released later on.
You can also visit our article for regular updates and complete information regarding NEET 2021 counselling :-
https://medicine.careers360.com/articles/neet-counselling
To have a list of all those colleges which you can get based upon your marks, category, and state you can use NEET College Predictor because it will make you comfortable while choice filling in counselling :-
https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer
I hope this information helps you.
Good Luck!!
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