Hii

The final registration process will start from 21st feb 2019 and if you have generated the code successfully, then you will be able to fill the final registration form after the process starts on 21st feb.
The process will be available till 12th of march.
Visit the official website for any latest news and updates. You can also keep a check on our site for latests updates.

https://medicine.careers360.com/articles/aiims-mbbs-application-form
Use this link for more details.

Hope this helps
thanks!