Section 16(1)(b) in The States Reorganisation Act, 1956
(b)the Chief Minister of each of the States included in the zone and two other Ministers of each such State to be nominated by the Sadar-i-Riyasat, in the case of Jammu and Kashmir, and by the Governor, in any other case, and if there is no Council of Ministers in any such State, three members from that State to be nominated by the President;