173. Nannilam

Dravida Munnetra Kazhagam held the seat; the winning margin widened from 4.7% to 18.4%.

• Won on a lower shareIts own vote share fell 6.6% — it held because the rest of the vote was more divided.
• New challengerADKJL (ADKJL) finished second with 26.7% — it did not contest here in 1984.
• Vote fragmentedThe top two took only 71.7% between them, down from 98.8% — the field split more ways.

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