139. Tollygunge

Communist Party of India (Marxist) held the seat; the winning margin narrowed from 27.6% to 25.3%.

• Won on a lower shareIts own vote share fell 3.9% — it held because the rest of the vote was more divided.
• New challengerCommunist Party of India (CPI) finished second with 33.7% — it did not contest here in 1969.
• Vote fragmentedThe top two took only 92.8% between them, down from 98.3% — the field split more ways.

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