63. Dahanu

Indian National Congress held the seat; the winning margin narrowed from 45.3% to 18.2%.

• Won on a lower shareIts own vote share fell 25.0% — it held because the rest of the vote was more divided.
• New challengerShiv Sena (SHS) finished second with 22.6% — it did not contest here in 1985.
• Vote fragmentedThe top two took only 63.4% between them, down from 86.2% — the field split more ways.

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