Guys, can you tell me the required qualification for the Public Service Commission examination???

The Union Public Service Commission conducts civil services examination. Here are the details of this examination:

Nationality:
A candidate must be a citizen of:
A citizen of India, or
A subject of Nepal, or
A subject of Bhutan, or
A Tibetan refugee who came over to India before 1st January, 1962 with the intention of permanently settling in India, or
a person of Indian origin who has migrated from Pakistan, Sri Lanka, Burma, East African countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire, Ethiopia and Vietnam with the intention of permanently settling in India.

Eligibility:
The applicant should have completed graduation with good academic record from any recognized university of India.

Age limit:
Age limit is 21 to 37 years
Age relaxation is for reserved categories:
OBC-3 years
SC/ST-5 years

The selection procedure has following three stages:
Preliminary Exam
Main Exam
Interview