427. Roorkee

Indian National Congress held the seat; the winning margin narrowed from 28.5% to 20.2%.

• Won on a lower shareIts own vote share fell 12.8% — it held because the rest of the vote was more divided.
• Vote fragmentedThe top two took only 67.7% between them, down from 84.9% — the field split more ways.

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