8. Badarpur

Indian National Congress held the seat; the winning margin widened from 7.5% to 8.3%.

• Won on a lower shareIts own vote share fell 6.3% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 78.3% between them, down from 91.9% — the field split more ways.

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