508. Calcutta North West

Indian National Congress held the seat; the winning margin narrowed from 35.0% to 12.7%.

• Won on a lower shareIts own vote share fell 13.3% — it held because the rest of the vote was more divided.
• New challengerJanata Dal (JD) finished second with 38.2% — it did not contest here in 1984.

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