8. Bettiah

Bharatiya Janata Party held the seat; the winning margin held roughly steady from 11.3% to 11.4%.

• Won on a lower shareIts own vote share fell 6.1% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 82.2% between them, down from 94.4% — the field split more ways.

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