148. Thane

Shiv Sena held the seat; the winning margin narrowed from 15.9% to 1.5%.

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 23.9% — it held because the rest of the vote was more divided.
• New challengerMaharashtra Navnirman Sena (MNS) finished second with 30.7% — it did not contest here in 2004.
• Vote fragmentedThe top two took only 62.9% between them, down from 96.4% — the field split more ways.

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