489. Diamond Harbour

Communist Party of India (Marxist) held the seat; the winning margin narrowed from 30.0% to 0.8%.

• Won on a lower shareIts own vote share fell 15.8% — it held because the rest of the vote was more divided.
• New challengerIndian National Congress (INC) finished second with 47.2% — it did not contest here in 1980.
• TurnoutTurnout rose 4.2% to 73.7%.

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