151. Sonarpur Uttar

All India Trinamool Congress held the seat; the winning margin narrowed from 16.0% to 12.3%.

• Won on a lower shareIts own vote share fell 5.1% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 88.3% between them, down from 94.8% — the field split more ways.

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