59. Bettiah

Indian National Congress held the seat; the winning margin narrowed from 29.5% to 19.8%.

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 21.6% — it held because the rest of the vote was more divided.
• New challengerSamyukta Socialist Party (SSP) finished second with 14.3% — it did not contest here in 1962.
• Vote fragmentedThe top two took only 48.5% between them, down from 82.1% — the field split more ways.
• TurnoutTurnout rose 10.1% to 47.4%.

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