3. (I) The Federal Parliament may, with the previous and consent of the Legislature of every Province and the Legislature of every Indian State whose boundaries are affected thereby, by Act-

(a) create a new unit;

(b) increase the area of any unit;

(c) diminish the area of any unit;

(d) alter the boundaries of any unit ;

(e) alter the name of any unit;

and may with the like consent make such incidental and consequential provisions by such Act as it may deem necessary or proper.

(2) When any such Act creates a new unit, then as from the date of commencement of the Act that unit shall be deemed to be included in the First Schedule to this Constitution, and when provision is made by any such Act for the alteration of the area or the boundaries or any name of any unit, then as from the date of commencement of the Act any reference in that schedule to that unit shall be construed as a reference to the unit as so altered.