170. Thiruvidamarudur

Dravida Munnetra Kazhagam held the seat; the winning margin held roughly steady from 0.2% to 0.3%.

• Won on a lower shareIts own vote share fell 6.2% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 83.6% between them, down from 96.0% — the field split more ways.
• TurnoutTurnout fell 2.6% to 79.0%.

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