37. Tanur

MUL held the seat; the winning margin held roughly steady from 46.4% to 46.6%.

• Won on a lower shareIts own vote share fell 4.0% — it held because the rest of the vote was more divided.
• New challengerCommunist Party of India (Marxist) (CPM) finished second with 17.9% — it did not contest here in 1982.
• Vote fragmentedThe top two took only 82.3% between them, down from 90.5% — the field split more ways.

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