23. Dhubri

Indian National Congress held the seat; the winning margin narrowed from 38.0% to 14.5%.

• Won on a lower shareIts own vote share fell 30.2% — it held because the rest of the vote was more divided.
• New challengerCommunist Party of India (Marxist) (CPM) finished second with 18.3% — it did not contest here in 1983.
• Vote fragmentedThe top two took only 51.0% between them, down from 88.0% — the field split more ways.

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