law: The Assam Reorganisation (Meghalaya) Act, 1969
  12. Delimitations of constituencies.-
  (1) The Election Commission shall, in the manner herein provided, distribute the total number of seats in the Legislative Assembly as fixed under sub-section (2) of section 11 to single member constituencies and delimit them on the basis of the latest census figures having regard to the following provisions, namely:-
  (a) all constituencies shall, as far as practicable, consist of geographically compact areas, and in delimiting them, regard shall be had to the physical features, existing boundaries of administrative units, facilities of communication and public convenience;
  (b) every constituency shall be so delimited as to fall only within an Assembly constituency of the Legislative Assembly of the State of Assam;
  (c) the population of each constituency shall, as far as practicable, be the same throughout Meghalaya.
  (2) For the purpose of assisting the Election Commission in the performance of its functions under this section, the Commission shall associate with itself such number of associate members not exceeding five as the Governor may nominate to represent Meghalaya:
  Provided that none of the associate members shall have a right to vote or to sign any decision of the Election Commission.
  (3) If owing to death or resignation, the office of an associate member falls vacant, it shall be filled as soon as may be practicable by the Governor in accordance with the provisions of sub-section (2).
  (4) The Election Commission shall-
  (a) publish its proposals for the delimitation of constituencies, together with the dissenting proposals, if any, of any associate member who desires publication thereof, in the Official Gazette and in such other manner as the Commission may consider fit, together with a notice inviting objections and suggestions in relation to the proposals and specifying a date on or after which the proposals will be further considered by it;
  (b) consider all objections and suggestions which may have been received by it before the date so specified, and for the purpose of such consideration hold one or more public sittings at such place or places as it may think fit;
  (c) after considering all objections and suggestions which may have been received by it before the date so specified, determine by one or more orders the delimitation of constituencies and cause such order or orders to be published in the Official Gazette; and upon such publication, the order or orders shall have the full force of law and shall not be called in question in any court.
  (5) As soon as may be after such publication, every such order shall be laid before the Legislative Assembly.
  (6) Upon the completion of each census, the total number of seats in the Legislative Assembly and the division of Meghalaya into territorial constituencies shall be readjusted by such authority and in such manner as Parliament may by law determine:
  Provided that such readjustment shall not affect representation in the Legislative Assembly until the dissolution of the then existing Assembly.
  Explanation.- In this section, "latest census figures" mean the census figures with respect to Meghalaya ascertainable from the latest census of which the finally published figures are available.