158. Chimur

Indian National Congress held the seat; the winning margin widened from 33.8% to 38.0%.

• Won on a lower shareIts own vote share fell 6.7% — it held because the rest of the vote was more divided.
• New challengerBharatiya Janata Party (BJP) finished second with 16.1% — it did not contest here in 1978.
• Vote fragmentedThe top two took only 70.2% between them, down from 87.7% — the field split more ways.

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