512. Katwa

Communist Party of India (Marxist) held the seat; the winning margin narrowed from 22.6% to 6.7%.

• Won on a lower shareIts own vote share fell 6.6% — it held because the rest of the vote was more divided.
• New challengerIndian National Congress (INC) finished second with 46.7% — it did not contest here in 1980.
• TurnoutTurnout rose 5.8% to 81.1%.

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