172. Patna East

Indian National Congress held the seat; the winning margin narrowed from 36.6% to 25.7%.

• Won on a lower shareIts own vote share fell 8.4% — it held because the rest of the vote was more divided.
• Runner-up changedSecond place passed from Samajwadi Party (SP) to Bharatiya Jana Sangh (BJS).
• Vote fragmentedThe top two took only 56.7% between them, down from 62.7% — the field split more ways.

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