(1) Normally the age limit is 32 years. One need to appear for the civil service exam before turning 32.
(2) Age relaxations are available for certain categories, like in any other exam.
(a) If you belong to SC/ST, you get a relaxation of up to 5yrs.
(b) OBC candidates get an age relaxation of up to 3yrs.
(c) In the case of blind, deaf-mute and orthopedically handicapped persons, an age relaxation of up to 10 yrs is
As you have not mentioned which category you fall into, we would not be in a position to say whether you are eligible or not. If you belong to any of the above mentioned three categories, and if you have a bachelors degree, start preparing for the exam. Attended coaching classes by enrolling yourself to the topmost coaching center. Wishing you Good Luck!.
"Do not give up, things might not favour you always"