respect of any tribal area specified in Part B of the said table or any part of such area, the administration of such area or part thereof, as the case may be, shall be carried on by the President through the Governor of Assam as his agent and the provisions of Part IX shall apply thereto as if such area or part thereof were a territory specified in Part D of the First Schedule.
(3) In the discharge of his functions under sub-paragraph (2) of this paragraph as the agent of the President the Governor shall act in his discretion.
19. Transitional provisions.—(1) As soon as possible after the commencement of this Constitution the Governor shall take steps for the constitution of a District Council for each autonomous district in the State under this Schedule and, until a District Council is so constituted for an autonomous district, the administration of such district shall be vested in the Governor and the following provisions shall apply to the administration of the areas within such district instead of the foregoing provisions of this Schedule, namely:—
(2) Any direction given by the Governor under clause (a) of sub-paragraph (1) of this paragraph may be given so as to have retrospective effect.
(3) All regulations made under clause (b) of sub-paragraph (1) of this paragraph shall be submitted forthwith to the President and, until assented to by him, shall have no effect.
20. Tribal areas.—(1) The areas specified in Parts A and B of the table below shall be the tribal areas within the State of Assam.
(2) The United Khasi-Jaintia Hills District shall comprise the territories which before the commencement of this Constitution were known as the Khasi States and the Khasi and Jaintia Hills District, excluding any areas for the time being comprised within