Dear aspirant

The Union Public Service Commission prescribes the age limit in the official UPSC IAS notification 2023. As per the IAS age limit eligibility criteria, those between 21 to 32 years as on August 1, 2023, can fill the UPSC IAS application form.

According to your date of birth you will be 21yr old on 16 March,so yes you will be eligible for the UPSC cse exam 2023

There is upper age relaxation for OBC category which 3yrs more than Gen category and for SC/ST category 5 years more than Gen category.

You can check whole eligibility criteria from the link given below

https://competition.careers360.com/articles/upsc-ias-eligibility-criteria/amp

Hope this information helps you

All the best