The States Reorganisation Act,1956
Section 122. Power to name authorities, etc., for exercising statutory functions
The Central Government, as respects any Part C State, and the State Government as respects any new State or any transferred territory, may by notification in the Official Gazette, specify the authority, officer or person who, as from the appointed day, shall be competent to exercise such functions exercisable under any law in force on that day as may be mentioned in that notification and such law shall have effect accordingly.