1. Kinnaur

Independent held the seat; the winning margin narrowed from 48.5% to 15.5%.

• Won on a lower shareIts own vote share fell 9.4% — it held because the rest of the vote was more divided.
• New challengerIndian National Congress (INC) finished second with 42.2% — it did not contest here in 1977.
• Vote consolidatedThe top two candidates took 100.0% of the vote between them, up from 85.9% — a tighter two-way contest.

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