257. Burhanpur

Indian National Congress held the seat; the winning margin widened from 1.2% to 19.1%.

• Won on a lower shareIts own vote share fell 4.2% — it held because the rest of the vote was more divided.
• New challengerJS (JS) finished second with 27.3% — it did not contest here in 1957.
• Vote fragmentedThe top two took only 73.7% 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.