494. Birbhum

Indian National Congress held the seat; the winning margin widened from 5.7% to 18.8%.

• New challengerFB (FB) finished second with 24.4% — it did not contest here in 1957.
• Vote consolidatedThe top two candidates took 67.6% of the vote between them, up from 59.3% — a tighter two-way contest.
• TurnoutTurnout fell 49.1% to 36.6%.

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