425. Chandauli

Indian National Congress held the seat; the winning margin narrowed from 15.7% to 0.8%.

• Won on a lower shareIts own vote share fell 20.9% — it held because the rest of the vote was more divided.
• New challengerSOC (SOC) finished second with 36.2% — it did not contest here in 1957.
• Vote fragmentedThe top two took only 73.2% between them, down from 100.0% — the field split more ways.
• TurnoutTurnout fell 3.4% to 54.5%.

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