19. Colaba

Indian National Congress held the seat; the winning margin narrowed from 30.1% to 12.0%.

• Won on a lower shareIts own vote share fell 20.3% — it held because the rest of the vote was more divided.
• New challengerShiv Sena (SHS) finished second with 28.3% — it did not contest here in 1985.
• Vote fragmentedThe top two took only 68.5% between them, down from 91.1% — the field split more ways.

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