109. Mavelikara

Communist Party of India (Marxist) held the seat; the winning margin narrowed from 8.3% to 1.7%.

• Won on a lower shareIts own vote share fell 3.1% — it held because the rest of the vote was more divided.
• New challengerNational Democratic Party (Indian) (NDP) finished second with 48.2% — it did not contest here in 1980.

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