213. Vilathikulam

Dravida Munnetra Kazhagam held the seat; the winning margin narrowed from 23.1% to 4.7%.

• Won on a lower shareIts own vote share fell 20.6% — it held because the rest of the vote was more divided.
• New challengerTamilaga Vettri Kazhagam (TVK) finished second with 28.7% — it did not contest here in 2021.
• Vote fragmentedThe top two took only 62.1% between them, down from 85.0% — the field split more ways.

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