ECI has extended the deadline for Special Intensive Revision (SIR) of electoral rolls in five states and one Union Territory (UT). The new dates are-December 19 for Tamil Nadu and Gujarat; December 23 for Madhya Pradesh, Chhattisgarh and Andaman & Nicobar; December 31 for Uttar Pradesh. The enumeration period for Goa, Lakshadweep, Rajasthan and West Bengal ended on Thursday.