The Kerala Public Service Commission is a body created by the Constitution of India. The Commission advise the Government on all matters relating to civil services referred to it under Article 320 (3) of the Constitution and publish notifications inviting applications for selection to various posts as per the requisitions of the appointing authorities, conduct written test and/or practical tests, physical efficiency test and interview, prepare ranked list based on the performance of the candidates and advise candidates for appointment strictly based on their merit and observing the rules of reservation as and when vacancies are reported. The Head Office of the Kerala Public Service Commission is situated at Pattom, Thiruvananthapuram, the State Capital.
With the formation of the State of Kerala on 1st November 1956 as a result of the reorganisation of States, the Travancore-Cochin Public Service Commission was transformed into the Kerala Public Service Commission. The number of the Members of the Commission was increased to Five in 1959, to Seven in 1971, to Eight in 1981, to Nine in 1982, to Thirteen in 1983, to Fourteen in 1984 , to Fifteen in 1984 and to the present strength of Eighteen in 2005.