ECI announces voter roll revision in 17 states/UTs amid SIR row. The ECI has directed 17 states and UTs, including Assam, Bihar, Gujarat, West Bengal and Kerala, to conduct a Special Summary Revision (SSR) of electoral rolls, with January 1, 2027, as the qualifying date. The Commission said schedules for places undergoing or having recently completed SIR will follow separately. The announcement comes amid a row over the SIR exercise.