150. Vedasandur

All India Anna Dravida Munnetra Kazhagam held the seat; the winning margin narrowed from 27.8% to 25.5%.

• Won on a lower shareIts own vote share fell 8.4% — it held because the rest of the vote was more divided.
• New challengerIndependent (IND) finished second with 30.0% — it did not contest here in 1980.
• Vote fragmentedThe top two took only 85.4% between them, down from 100.0% — the field split more ways.

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