The States Reorganisation Act,1956
Section 41. Modification of the Scheduled Castes and Scheduled Tribes Orders
As soon as may be after the commencement of this Act, the President shall by order make such modifications in the Constitution (Scheduled Castes) Order,1950, the Constitution (Scheduled Castes) (Part C States) Order,1951, the Constitution (Scheduled Tribes) Order,1950 and the Constitution (Scheduled Tribes) (Part C States) Order,1951, as he thinks fit having regard to the territorial changes and formation of new States under the provisions of Part II.