Every officer and other employee of any of the existing Committee and the State Committee, as the case may be, shall, on and from the commencement of this Act, stand transferred to or become an officer or other employee of the Committee or the State Committee, as the case may be, with such designation as such Committee may determine and shall hold office or service therein by the same tenure, at the same remuneration, upon the same terms and conditions of service as he would have held under the Haj Committee constituted under the Haj Committee Act, 1959 (51 of 1959) and shall continue to do so as an officer or other employee of the Committee till such time the terms and conditions are duly altered by such Committee:
Provided that the tenure, remuneration and terms and conditions of service of any such officer or other employee of the Committee or of a State Committee, as the case may be, shall not be altered to his disadvantage without the previous sanction of the Central Government or State Government, as the case may be:
Provided further that any service rendered by any such officer or other employee before the commencement of this Act shall be deemed to be the service rendered under the Committee or, as the case may be, the State Committee.