Section 2(1)(y) in The Mental Healthcare Act, 2017
(y)"psychiatrist" means a medical practitioner possessing a post-graduate degree or diploma in psychiatry awarded by an university recognised by the University Grants Commission established under the University Grants Commission Act, 1956, or awarded or recognised by the National Board of Examinations and included in the First Schedule to the Indian Medical Council Act, 1956, or recognised by the Medical Council of India, constituted under the Indian Medical Council Act, 1956, and includes, in relation to any State, any medical officer who having regard to his knowledge and experience in psychiatry, has been declared by the Government of that State to be a psychiatrist for the purposes of this Act;