54. Mahuva

Indian National Congress held the seat; the winning margin narrowed from 47.2% to 20.3%.

Boundaries were redrawn between 1975 and 1980 — the comparison is matched by name and is indicative only.

• Won on a lower shareIts own vote share fell 6.3% — it held because the rest of the vote was more divided.
• Runner-up changedSecond place passed from Bharatiya Jana Sangh (BJS) to Independent (IND).
• Vote consolidatedThe top two candidates took 98.6% of the vote between them, up from 84.3% — a tighter two-way contest.

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