176. Basti

Indian National Congress held the seat; the winning margin narrowed from 33.2% to 16.1%.

• Won on a lower shareIts own vote share fell 9.4% — it held because the rest of the vote was more divided.
• New challengerJS (JS) finished second with 30.8% — it did not contest here in 1957.

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