(1) No person shall be appointed to the Service unless he/she is,-
(a) a Citizen of India ; or
(b) a Citizen of Nepal; or
(c) a Subject of Bhutan; or
(d) a Tibetan refugee who came over to India before the 1st day of January, 1962 with the intention of permanently settling in India ; or te) a person of India origfh who has migrated from Pakistan, Burma, Sri Lanka 'and East African Countries of Kenya, Uganda and United Republic of Tanzania (formerly Tanganyika and Zanzibar), Zambia, Malawi, Zaire, Ethiopia and Vietnam with the intention of permanently settling in India :
Provided that a person belonging to any of the categories (b), (c), (d) and (e) shall be person in whose favour a certificate of eligibility has been given by the Government of India in the Department of Home Affairs.
(2) A person in whose case a certificate of eligibilty is necessary may be admitted to an examination or interview conducted by the Commission or t~e Board, as the case may be, on his furnishing proof that he has applied for the certificate but he shall not be appointed to the service unless necessary certificate is given to him by the Government of India in the Department of Home Affairs..
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(3) No person shall be recruited to the service by direct appointment, unless he produced,-
(a) a certificate of character from the principal academic officer of the university, college, school or institution Iqst attended, if any, and similar certificate from two responsible persons not being his relatives, who are well acquainted with him in his private life and are unconnected with his university, college, school or institution ; and .
(b) an affidavit to the effect that he was never convicted for any criminal offence involving moral turpitude and that he was never dismissed or removed from service or any State Government or of Government of India, or of any Public Sector Undertaking.