Preparation and revision of electoral rolls.

(1) If the State Election Commissioner does not adopt the electoral roll referred to in section 17, the electoral roll for each Municipality shall be prepared in the prescribed manner by reference to the qualifying date and shall come into force immediately upon its final publication in accordance with the rules made under this Act. (2) The electoral roll shall, (a) unless otherwise directed by the Commission, for reasons to be recorded in writing, be revised in the prescribed manner by reference to the qualifying date, (b) before each general election to the Municipality, and (c) before each bye-election to fill a causal vacancy in a seat allotted to the constituency, and (3) Notwithstanding anything contained in clause (a), be revised in any year in the prescribed manner by reference to the qualifying date if such revision has been directed by the Commission : Provided that if the electoral roll is not revised as aforesaid, the validity or continued operation of the said electoral roll shall not thereby be affected. (4) Notwithstanding anything contained in sub-section (2), the Commission may, at any time, for reasons to be recorded in writing, direct a special revision of the electoral roll of any Municipality in such manner as it may think fit : Provided that subject to the other provisions of this Act, the electoral roll for the Municipality as in force at the time of issue of any such direction, shall continue to be in force until the completion of the special revision so directed.