374. Namakkal

Dravida Munnetra Kazhagam held the seat; the winning margin narrowed from 23.4% to 2.5%.

• Won on a lower shareIts own vote share fell 14.9% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 78.1% between them, down from 87.1% — the field split more ways.

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