78. Purnea

Indian National Congress held the seat; the winning margin widened from 2.0% to 9.8%.

• Won on a lower shareIts own vote share fell 3.7% — it held because the rest of the vote was more divided.
• New challengerCommunist Party of India (CPI) finished second with 17.9% — it did not contest here in 1967.
• Vote fragmentedThe top two took only 45.6% between them, down from 61.0% — the field split more ways.
• TurnoutTurnout fell 10.7% to 37.3%.

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