13. Itanagar

Indian National Congress held the seat; the winning margin narrowed from 22.4% to 11.4%.

• Won on a lower shareIts own vote share fell 16.4% — it held because the rest of the vote was more divided.
• Runner-up changedSecond place passed from Janata Dal (JD) to Bharatiya Janata Party (BJP).
• Vote fragmentedThe top two took only 60.3% between them, down from 82.2% — the field split more ways.

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