I want to know about required age limit and qualification to apply for Indian administrative examination

Indian administrative examination is generally known as Civil service examination organized by union public service examination ..

IAS exam Eligibility Criteria:
Minimum You must complete graduation in any discipline from a well recognized university.

Age limit :
21-30 years as on 1st August of the year of Examination.

OBC candidate age limit maximum : 33 years.
The candidate must be between 21-30 years of age.
SC/ST have 5 years of age relaxation.

Important dates :
Civil Services Preliminary Exam 2014
Notification Date : 17th May 2014
Last dates for Applications : 16th June 2014
Examination will be held on : 24th August 2014

Civil Services Main Exam 2014
Examination will be held on : 14th December 2014