79. Peermade

Communist Party of India (Marxist) held the seat; the winning margin narrowed from 18.5% to 1.9%.

• Won on a lower shareIts own vote share fell 22.2% — it held because the rest of the vote was more divided.
• New challengerCommunist Party of India (CPI) finished second with 28.0% — it did not contest here in 1967.
• Vote fragmentedThe top two took only 57.9% between them, down from 85.6% — the field split more ways.

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