SIR 2.0 voter roll revision starts in 12 states 2025 — full list

India’s Election Commission will start SIR 2.0, a special voter roll revision, across 12 states, including Uttar Pradesh and West Bengal, in 2025. The drive targets fresh enrollments, corrections, and deletions ahead of upcoming polls. Key dates, the full state list, and how to update details via NVSP, the Voter Helpline app, or BLOs are explained in this detailed report.