161. Mayiladuthurai

Indian National Congress held the seat; the winning margin widened from 1.6% to 5.8%.

• Won on a lower shareIts own vote share fell 6.1% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 66.4% between them, down from 82.8% — the field split more ways.

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