27. Neduncadu

Indian National Congress held the seat; the winning margin narrowed from 36.8% to 32.3%.

• Won on a lower shareIts own vote share fell 11.9% — it held because the rest of the vote was more divided.
• New challengerIndependent (IND) finished second with 23.4% — it polled just 1.6% in 1985.
• Vote fragmentedThe top two took only 79.0% between them, down from 98.4% — the field split more ways.

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