426. Jwalapur

Indian National Congress held the seat; the winning margin narrowed from 33.2% to 14.2%.

• Won on a lower shareIts own vote share fell 23.7% — it held because the rest of the vote was more divided.
• New challengerJS (JS) finished second with 24.7% — it did not contest here in 1957.
• Vote fragmentedThe top two took only 63.5% between them, down from 91.9% — the field split more ways.

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