91. Basta

Indian National Congress held the seat; the winning margin narrowed from 57.4% to 16.5%.

• Won on a lower shareIts own vote share fell 30.1% — it held because the rest of the vote was more divided.
• New challengerPraja Socialist Party (PSP) finished second with 32.2% — it did not contest here in 1951.
• Vote fragmentedThe top two took only 80.8% between them, down from 100.0% — the field split more ways.

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