Hello,

You can't register again as your details are already in the database and any duplicate credentials won't be accepted. The application form last date is 10 february. They will open the correction window on february 12 and will be closed on 14 feb. This says that only 2 days are given for correction. Whatever details you have given do check it again and look for the things you want to change. Once submitted can't be changed further.

For more details do visit the link given below:- https://medicine.careers360.com/articles/aiims-pg-application-form

Hope it helps!