The Returning Officer shall ensure that the marked copy of the electoral roll received by him from the Assistant Returning Officer for the notified class of electors is used during the poll in the constituency that such electors who have been supplied with a postal ballot paper do not cast the vote again.
27L. Notwithstanding anything contained in rule 54A, the Election Commission may direct, by notification in the Official Gazette, that the postal ballot papers may be mixed with the ordinary ballot papers at the time of mixing of ordinary ballot papers under rule 59A and, in that case, the Election Commission may also prescribe, by directions to the Returning Officers, the manner in which the mixing of postal ballot papers shall be done with the ordinary ballot papers in the constituency.]
1[PART IIIB Voting by classified service voters through proxy