147. Sonarpur Dakshin

All India Trinamool Congress held the seat; the winning margin narrowed from 22.2% to 7.4%.

• Won on a lower shareIts own vote share fell 11.2% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 88.2% between them, down from 95.8% — the field split more ways.

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