(1)The President may at any time and shall, at the expiration of ten years from the commencement of this Constitution by order appoint a Commission to report on the administration of the Scheduled Areas and the welfare of the Scheduled Tribes in the States [* * *] [The words and letters " specified in Part A or Part B of the First Schedule" omitted by the Constitution (Seventh Amendment) Act, 1956, Section 29 and Schedule.].The order may define the composition, powers and procedure of the Commission and may contain such incidental or ancillary provisions as the President may consider necessary or desirable.