The 2025 Bihar Assembly elections delivered a sweeping mandate for the NDA, led by the Bharatiya Janata Party (BJP) and Nitish Kumar's JD(U), while Congress and RJD's Mahagathbandhan (MGB) were reduced to its weakest tallies in years.

Gains by NDA, which won 202 out of 243 seats in the state, spanned districts that had previously been considered opposition strongholds.

But a closer look at the numbers reveals a striking pattern: In as many as 174 seats, the victory margins were lower than the number of voters deleted during the Special Intensive Revision (SIR) of voter rolls. 91 seats of these seats changed hands between 2020 and 2025. Of these, the NDA won 75, the MGB won just 15, and 1 went to smaller parties.

This raises questions on whether the deletions helped tilt the scales in

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