59. Kurinjipadi

Dravida Munnetra Kazhagam held the seat; the winning margin narrowed from 15.5% to 2.9%.

• Won on a lower shareIts own vote share fell 3.1% — it held because the rest of the vote was more divided.
• New challengerNCO (NCO) finished second with 48.6% — it did not contest here in 1967.
• Vote consolidatedThe top two candidates took 100.0% of the vote between them, up from 93.5% — a tighter two-way contest.

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