15. Dhupguri

Communist Party of India (Marxist) held the seat; the winning margin widened from 18.9% to 19.7%.

• Won on a lower shareIts own vote share fell 3.3% — it held because the rest of the vote was more divided.
• New challengerAll India Trinamool Congress (AITC) finished second with 26.5% — it did not contest here in 1996.
• Vote fragmentedThe top two took only 72.7% between them, down from 80.1% — the field split more ways.

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