69. Nasirabad

Indian National Congress held the seat; the winning margin narrowed from 30.5% to 5.5%.

• Won on a lower shareIts own vote share fell 27.5% — it held because the rest of the vote was more divided.
• New challengerSwatantra Party (SWA) finished second with 28.4% — it did not contest here in 1957.
• Vote fragmentedThe top two took only 62.3% between them, down from 92.3% — the field split more ways.

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