167. Jagatballavpur

Communist Party of India (Marxist) held the seat; the winning margin narrowed from 39.5% to 19.8%.

• Won on a lower shareIts own vote share fell 3.1% — it held because the rest of the vote was more divided.
• New challengerIndependent (IND) finished second with 40.1% — it did not contest here in 1977.
• Vote consolidatedThe top two candidates took 100.0% of the vote between them, up from 86.6% — a tighter two-way contest.

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