22. Nagina

Indian National Congress held the seat; the winning margin narrowed from 23.2% to 21.1%.

• Won on a lower shareIts own vote share fell 7.5% — it held because the rest of the vote was more divided.
• New challengerJS (JS) finished second with 23.2% — it did not contest here in 1957.
• Vote fragmentedThe top two took only 67.6% between them, down from 80.4% — the field split more ways.

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