Article 285, Draft Constitution of India 1948
(1) The Chairman and other members of a Public Service Commission shall be appointed, in the case of the Union Commission, by the President, and in the case of a State Commission, by the Governor of the State in his discretion:
Provided that at least one-half of the members of every Public Service Commission shall be persons who at the dates of their respective appointments have held office for at least ten years either under the Government of India or under the Government of a State and in computing the said period of ten years any period before the commencement of this Constitution during which a person has held office under the Crown shall be included.
(2) In the case of the Union Commission, the President and, in the case of a State Commission, the Governor of the State in his discretion may by regulations-
(a) Determine the number of members of the Commission, their tenure of office and their conditions of service; and(b) Make provision with respect to the number of members of the staff of the Commission and their conditions of service.
(3) On ceasing to hold office-
(a) The Chairman of the Union Commission shall be ineligible for further employment either under the Government of India or under the Government of a State;
(b) The Chairman of a State Commission shall be eligible for appointment as the Chairman or a member of the Union Commission or as the Chairman of another State Commission, but not for any other employment either under the Government of India or under the Government of a State;
(c) No other member of the Union or of any State Commission shall be eligible for any other appointment either under the Government of India or the Government of a State without the approval in the case of an appointment in connection with the affairs of a State, of the Governor of the State and, in the case of any other appointment, of the President.