1. Narela

Indian National Congress held the seat; the winning margin narrowed from 10.3% to 0.8%.

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 16.7% — it held because the rest of the vote was more divided.
• Runner-up changedSecond place passed from Bharatiya Janata Party (BJP) to Bahujan Samaj Party (BSP).
• Vote fragmentedThe top two took only 62.6% between them, down from 86.5% — the field split more ways.

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