hey there,

According  to AFCAT Eligibility Criteria 2022 (Age Limit)

• Flying Branch through AFCAT and NCC Special Entry: The age of candidates should be between 20 and 24 years as of January 1, 2023. Candidates must have born between January 2, 1998, and January 1, 2002. The upper age limit of candidates having a valid and current commercial pilot license issued by DGCA is relaxed upto 26 years.
• Ground Duty (Technical & Non-Technical) Branch: Candidates must be between 20 and 26 years, as of January 1, 2023. They must have born between January 2, 1996, and January 1, 2002.

So, Yes your are eligible for AFCAT exam

hope this helps you