Hi Mamta

To be eligible for UPSC minimum age limit us 21 years old .

Maximum age limit to be eligible for UPSC is given below category wise:-

• General Category- 32 years.

• OBC-35 years.

• SC/ST- 37 year

Whereas attempt limit for UPSC examination for different categories is :-

• General Category- 6 attempts

• OBC- 9 attempts

• SC/ST- Unlimited attempts

For more information go through

https://competition.careers360.com/articles/upsc-ias

I hope that you find this helpful

Thankyou