61. Harur

All India Anna Dravida Munnetra Kazhagam held the seat; the winning margin narrowed from 15.3% to 1.5%.

• Won on a lower shareIts own vote share fell 15.6% — it held because the rest of the vote was more divided.
• New challengerDravida Munnetra Kazhagam (DMK) finished second with 32.8% — it polled just 0.1% in 2021.
• Vote fragmentedThe top two took only 67.1% between them, down from 84.5% — the field split more ways.

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