The Parliament under an Act may—
(a) vary the number of members to be elected to the Legislative Assembly; and
(b) vary the electoral districts of the State that are to be represented in the Legislative Assembly; and
(c) establish new and other electoral districts; and
(d) vary and regulate the appointment of returning officers and make any new and other provision that it considers convenient for the issuing and return of writs for the election of members to the Legislative Assembly and the time and place of holding the elections.