UPSC Age Limit for IAS

I want to take part in the Union Public Service Commission IAS exam but I have no idea about the age limit for the exam so please can you provide me the age limit for the IAS exam?

[Shaleen]

To be eligible for IAS exam the age of the candidate should be between 21 to 30 years.

The upper age relaxation will be as per the following rules:

SC/ST : 5 years
OBC: 3 years
Candidates Domiciled in Jammu & Kashmir during the period between January 1, 1980 and December 31, 1989: 5 years
Defense Services personnel disabled: 3 years