455. Muzaffarnagar

Indian National Congress held the seat; the winning margin narrowed from 55.2% to 8.1%.

• Won on a lower shareIts own vote share fell 38.3% — it held because the rest of the vote was more divided.
• New challengerPraja Socialist Party (PSP) finished second with 26.1% — it did not contest here in 1957.
• Vote fragmentedThe top two took only 60.2% between them, down from 89.7% — the field split more ways.
• TurnoutTurnout rose 4.8% to 54.2%.

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