In AIIMS Application Form a student can make  corrections in personal details, uploaded scanned image , qualifying exams and other such similar things. 

The correction window starts from 18th January 2019 that is today and will end on 22nd January 2019. 

Do remember to check all the other details 2 to 3 times before final submission so that no mistake happens. 

If you still have any queries feel free to ask in the comment section down below.