Will you please tell me the complete Indian Police Service exam eligibility Criteria????

Indian Police Service Limited Competitive Examination is conducted by UPSC. It is known as Civil Services Examination. Here I am giving 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.

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

Age Limits
Applicant must have attained the age of 21 years and must not have attained the age of 30 years on 1st August

Tentative Schedule
Notification of Examination November/December of previous year
Conduct of Examination May