12. Mangol Puri

Indian National Congress held the seat; the winning margin narrowed from 52.9% to 32.2%.

Boundaries were redrawn between 2003 and 2008 — the comparison is matched by name and is indicative only.

• Won on a lower shareIts own vote share fell 13.9% — it held because the rest of the vote was more divided.
• Runner-up changedSecond place passed from Bahujan Samaj Party (BSP) to Bharatiya Janata Party (BJP).
• Vote fragmentedThe top two took only 76.6% between them, down from 83.8% — the field split more ways.

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