24. Butana

Indian National Congress held the seat; the winning margin narrowed from 40.9% to 8.2%.

• Won on a lower shareIts own vote share fell 25.2% — it held because the rest of the vote was more divided.
• New challengerSwatantra Party (SWA) finished second with 29.2% — it did not contest here in 1957.
• Vote fragmentedThe top two took only 66.7% between them, down from 84.5% — the field split more ways.

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