409. Shahjahanpur

Janata Dal held the seat; the winning margin widened from 2.0% to 2.7%.

• Won on a lower shareIts own vote share fell 7.3% — it held because the rest of the vote was more divided.
• Runner-up changedSecond place passed from Indian National Congress (INC) to Bharatiya Janata Party (BJP).
• Vote fragmentedThe top two took only 54.1% between them, down from 69.4% — the field split more ways.

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