181. Pursurah

Indian National Congress held the seat; the winning margin widened from 5.8% to 15.6%.

• Won on a lower shareIts own vote share fell 9.8% — it held because the rest of the vote was more divided.
• New challengerCommunist Party of India (Marxist) (CPM) finished second with 26.8% — it did not contest here in 1969.
• Vote fragmentedThe top two took only 69.2% between them, down from 98.7% — the field split more ways.

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