180. Pudukkottai

Dravida Munnetra Kazhagam held the seat; the winning margin narrowed from 7.2% to 1.0%.

• Won on a lower shareIts own vote share fell 12.6% — it held because the rest of the vote was more divided.
• New challengerTamilaga Vettri Kazhagam (TVK) finished second with 34.1% — it did not contest here in 2021.
• Vote fragmentedThe top two took only 69.2% between them, down from 88.2% — the field split more ways.

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