203. Srivilliputhur

All India Anna Dravida Munnetra Kazhagam held the seat; the winning margin narrowed from 20.5% to 6.9%.

• Won on a lower shareIts own vote share fell 11.2% — it held because the rest of the vote was more divided.
• New challengerIndian National Congress (INC) finished second with 31.2% — it did not contest here in 2016.
• Vote fragmentedThe top two took only 69.3% between them, down from 78.1% — the field split more ways.
• TurnoutTurnout fell 3.5% to 73.1%.

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