71. Sursand

Indian National Congress held the seat; the winning margin narrowed from 26.6% to 0.9%.

• Won on a lower shareIts own vote share fell 22.5% — it held because the rest of the vote was more divided.
• New challengerINCU (INCU) finished second with 37.2% — it did not contest here in 1977.
• Vote fragmentedThe top two took only 75.3% between them, down from 94.6% — the field split more ways.

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