31. Chakulia

All India Forward Bloc held the seat; the winning margin widened from 16.3% to 18.3%.

• Won on a lower shareIts own vote share fell 9.5% — 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 67.0% between them, down from 88.0% — the field split more ways.

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