30. Koppal

Indian National Congress held the seat; the winning margin narrowed from 34.6% to 17.1%.

• Won on a lower shareIts own vote share fell 3.2% — it held because the rest of the vote was more divided.
• New challengerBharatiya Janata Party (BJP) finished second with 41.5% — it did not contest here in 1978.
• Vote consolidatedThe top two candidates took 100.0% of the vote between them, up from 88.8% — a tighter two-way contest.

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