19. Diphu

Independent held the seat; the winning margin widened from 1.0% to 2.9%.

• Won on a lower shareIts own vote share fell 4.5% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 50.0% between them, down from 60.8% — the field split more ways.

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