The Role and Function of Public Service Commission have been specified in Article 320 of the Constitution of India.
(a) On all matters relating to methods of recruitment to civil services and for civil posts.
(b) On the principles to be followed in making appointments to civil services and posts and in making promotions and transfers from one service to another and on the suitability of candidates for such appointments, promotions or transfers.
(c) On all disciplinary matters affecting a person serving under the Government of India or the Government of a State in a civil capacity, including memorials or petitions relating to such matters.
(d) On any claim by or in respect of a person who is serving or has served under the Government of India or the Government of a State or under the Crown in India or under the Government of an Indian State, in a civil capacity, that any costs incurred by him in defending legal proceedings instituted against him in respect of acts done or purporting to be done in the execution of his duty should be paid out of the Consolidated Fund of India, or, as the case may be, out of the Consolidated Fund of the State.
(e) On any claim for the award of a pension in respect of injuries sustained by a person while serving under the Government of India or the Government of a State.