140. Korha

Indian National Congress held the seat; the winning margin widened from 24.9% to 28.2%.

• Won on a lower shareIts own vote share fell 14.6% — it held because the rest of the vote was more divided.
• New challengerIndependent (IND) finished second with 17.8% — it polled just 0.9% in 1980.
• Vote fragmentedThe top two took only 63.8% between them, down from 96.3% — the field split more ways.

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