181. Thirumayam

Dravida Munnetra Kazhagam held the seat; the winning margin held roughly steady from 0.8% to 0.8%.

• Won on a lower shareIts own vote share fell 9.1% — it held because the rest of the vote was more divided.
• New challengerTamilaga Vettri Kazhagam (TVK) finished second with 31.1% — it did not contest here in 2021.
• Vote fragmentedThe top two took only 62.9% between them, down from 81.2% — the field split more ways.

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