NEW DELHI: The enumeration phase of the Special Intensive Revision (SIR) of electoral rolls in Odisha, Mizoram, Sikkim, and Manipur has started, the Election Commission said on Sunday.The poll authority had launched phase 3 of SIR in 16 states and three Union territories on May 14 in a staggered manner During the enumeration phase which began on Saturday, Booth Level Officers (BLOs) will conduct house-to-house visits to distribute, collect, and verify enumeration forms.Electors can submit their duly filled forms either through BLOs or online.Those whose forms are received by the Electoral Registration Officers (EROs) on or before June 28, will be included in the draft electoral rolls.Electors who are unable to submit their enumeration forms by the deadline can still apply for registration as a new voter through Form 6 along with the prescribed declaration form during the claims and objections period.The four states involved in the current phase together account for more than 3.67 crore electors. Odisha has the largest electorate with over 3.34 crore voters, supported by 38,123 BLOs and 8,391 BLAs.Mizoram has 8.75 lakh electors, Sikkim 4.71 lakh, and Manipur 20.92 lakh electors.The Election Commission has appealed to all eligible voters to actively participate in the Special Intensive Revision process and cooperate with election officials during the house-to-house enumeration drive to ensure accurate and inclusive electoral rolls.The EC said the Special Intensive Revision was launched to ensure that all eligible citizens are included in the electoral rolls while preventing the inclusion of ineligible persons. According to the EC, every Indian citizen aged 18 years or above on the qualifying date and not otherwise disqualified under law is entitled to be registered as an elector.