186. Polavaram

Indian National Congress held the seat; the winning margin narrowed from 15.2% to 3.9%.

Boundaries were redrawn between 2004 and 2009 — the comparison is matched by name and is indicative only.

• Won on a lower shareIts own vote share fell 18.9% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 65.6% between them, down from 92.1% — the field split more ways.

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