485. Raiganj

Indian National Congress held the seat; the winning margin narrowed from 15.3% to 0.4%.

Boundaries were redrawn between 1962 and 1967 — the comparison is matched by name and is indicative only.

• Won on a lower shareIts own vote share fell 15.5% — it held because the rest of the vote was more divided.
• New challengerFBL (FBL) finished second with 26.6% — it did not contest here in 1962.
• Vote fragmentedThe top two took only 53.5% between them, down from 69.7% — the field split more ways.
• TurnoutTurnout rose 11.6% to 53.9%.

Written from the constituency figures by a fixed set of rules — no language model.