Question: how to calculate age for upsc exam?
Answer: Age Eligibility This means that the candidate must have at least 21 years of age on 1st August of that given year when the exam is held. For example, if the candidate is appearing for 2020 prelims, he/she should be above 21 years of age by Aug 1, 2020. The upper age limit is also calculated on the date Aug 1.