Hi,

According to the criteria for AIIMS and other exams you should have completed at least 17 years in the year of appearing that is before December 2018. The candidates born after 2nd January 2018 are not eligible for the exams. Hope this will clear your doubt. For more details you can go through the link https://medicine.careers360.com/articles/aiims-mbbs-eligibility-criteria.

All the best!!