234. Killiyoor

Indian National Congress held the seat; the winning margin narrowed from 32.6% to 0.7%.

• Won on a lower shareIts own vote share fell 22.3% — it held because the rest of the vote was more divided.
• New challengerTamilaga Vettri Kazhagam (TVK) finished second with 36.7% — it did not contest here in 2021.
• Vote fragmentedThe top two took only 74.1% between them, down from 86.9% — the field split more ways.

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