10. Raxaul

Janata Dal held the seat; the winning margin narrowed from 14.2% to 7.5%.

• Won on a lower shareIts own vote share fell 21.8% — it held because the rest of the vote was more divided.
• Runner-up changedSecond place passed from Indian National Congress (INC) to Bharatiya Janata Party (BJP).
• Vote fragmentedThe top two took only 41.2% between them, down from 78.1% — the field split more ways.

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