177. Singnapur

Indian National Congress held the seat; the winning margin narrowed from 43.5% to 9.6%.

• Won on a lower shareIts own vote share fell 6.4% — it held because the rest of the vote was more divided.
• New challengerICS (ICS) finished second with 45.2% — it did not contest here in 1980.
• Vote consolidatedThe top two candidates took 100.0% of the vote between them, up from 78.9% — a tighter two-way contest.

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