253. Nagapattinam

Indian National Congress held the seat; the winning margin narrowed from 9.2% to 2.9%.

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 4.2% — it held because the rest of the vote was more divided.
• New challengerCommunist Party of India (Marxist) (CPM) finished second with 38.9% — it did not contest here in 1962.
• TurnoutTurnout rose 4.1% to 82.4%.

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