13. Chittapur

Indian National Congress held the seat; the winning margin widened from 24.1% to 28.8%.

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

• Vote consolidatedThe top two candidates took 90.8% of the vote between them, up from 81.9% — a tighter two-way contest.
• Safe seatIndian National Congress won by more than 25 points — a stronghold, not a contest.
• Multi-cornered3 candidates cleared 5% — a genuinely multi-cornered fight.

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