397. Murshidabad

Indian National Congress held the seat; the winning margin narrowed from 38.7% to 2.2%.

• Won on a lower shareIts own vote share fell 25.0% — it held because the rest of the vote was more divided.
• New challengerPraja Socialist Party (PSP) finished second with 39.8% — it did not contest here in 1951.
• Vote fragmentedThe top two took only 81.7% between them, down from 95.1% — the field split more ways.

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