379. Gangiri

Indian National Congress held the seat; the winning margin narrowed from 31.5% to 12.8%.

• Won on a lower shareIts own vote share fell 25.5% — it held because the rest of the vote was more divided.
• New challengerSOC (SOC) finished second with 20.1% — it did not contest here in 1957.
• Vote fragmentedThe top two took only 53.1% between them, down from 85.3% — the field split more ways.

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