(1)In this section, the expression "joint cadre",--
         (a) in relation to the Indian Administrative Service, has the meaning assigned to it in the Indian Administrative Service (Cadre) Rules, 1954;
         (b) in relation to the Indian Police Service, has the meaning assigned to it in the Indian Police Service (Cadre) Rules, 1954; and
         (c) in relation to the Indian Forest Service, has the meaning assigned to it in the Indian Forest Service (Cadre) Rules, 1966.
     (2) On and from the appointed day, there shall be constituted for the States of Assam and Meghalaya a joint cadre of the Indian Administrative Service, a joint cadre of the Indian Police Service and a joint cadre of the Indian Forest Service.
     ¹[(3) On and from the appointed day, there shall be constituted for the States of Manipur and Tripura and joint cadre of the Indian Administrative Service, a joint cadre of the Indian Police Service and a joint cadre of the Indian Forest Services.]
     (4) The initial strength and composition of each of the joint cadres referred to in sub-sections (2) and (3) shall be such as the Central Government may, by order, determine before the appointed day.
     (5) The members of each of the said Services borne on the Assam cadre thereof immediately before the appointed day shall be allocated to the joint cadre of the same Service constituted under sub-section (2) and to the Union territories cadre of that Service in such manner and with effect from such date or dates as the Central Government may, by order, specify.
     (6) Such members of each of the said Services borne on the Union territories cadre thereof immediately before the appointed day, as the Central Government may, by order, specify, shall be allocated to the joint cadre of the same Service constituted under sub-section (3) with effect from such date or dates as may be specified in the order.
     (7) Every person who, being a member of a State Civil Service of the existing State of Assam, is borne on a Select List for promotion to the Assam cadre of an All-India Service immediately before the appointed day shall, unless he is deemed to have been allocated to the Union under section 64, be deemed to have been included in the same order as in that List, in the Select List for promotion to the joint cadre of the same Service constituted under sub-section (2).
     (8) Every person who, being a person deemed to have been allocated under section 62 for service in connection with the affairs of the State of Manipur or the State of Tripura, is borne on a Select List for promotion to the Union territories cadre of an All-India Service immediately before the appointed day, shall be deemed to have been included in the same order as in that List, in the Select List for promotion to the joint cadre of the same Service constituted under sub-section (3).
     (9) Every person who, being a person deemed to have been allocated to the Union under section 64, is borne on a Select List for promotion to the Assam cadre of an All-India Service immediately before the appointed day, shall be deemed to have been included in the Select List for promotion to the Union territories cadre of the same Service and his position in the said Select List shall be determined by the Central Government in consultation with the Union Public Service Commission.
     (10) Nothing in this section shall be deemed to affect the operation after the appointed day of the All-India Services Act, 1951 (61 of 1951), or the rules or regulations made thereunder.