237. Barjora

Communist Party of India (Marxist) held the seat; the winning margin narrowed from 28.6% to 20.9%.

• Won on a lower shareIts own vote share fell 14.2% — it held because the rest of the vote was more divided.
• New challengerBAC (BAC) finished second with 25.5% — it did not contest here in 1969.
• Vote fragmentedThe top two took only 71.9% between them, down from 92.6% — the field split more ways.

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