406. Sivaganga

Indian National Congress held the seat; the winning margin narrowed from 24.4% to 0.4%.

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 16.9% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 85.8% between them, down from 95.6% — the field split more ways.
• TurnoutTurnout rose 9.4% to 71.0%.

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