18. Poriem

Indian National Congress held the seat; the winning margin narrowed from 16.9% to 10.0%.

• Won on a lower shareIts own vote share fell 7.1% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 91.9% between them, down from 99.1% — the field split more ways.

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