305. Chainpur

Indian National Congress held the seat; the winning margin widened from 3.3% to 8.5%.

Boundaries were redrawn between 1962 and 1967 — the comparison is matched by name and is indicative only.

• Won on a lower shareIts own vote share fell 11.7% — it held because the rest of the vote was more divided.
• Runner-up changedSecond place passed from Swatantra Party (SWA) to Independent (IND).
• Vote fragmentedThe top two took only 55.2% between them, down from 83.8% — the field split more ways.

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