6. Pathapatnam

Indian National Congress held the seat; the winning margin narrowed from 19.9% to 1.2%.

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 6.1% — it held because the rest of the vote was more divided.
• Vote consolidatedThe top two candidates took 83.1% of the vote between them, up from 76.7% — a tighter two-way contest.

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