129. Forbesganj

Indian National Congress held the seat; the winning margin widened from 8.8% to 10.9%.

• Won on a lower shareIts own vote share fell 9.1% — it held because the rest of the vote was more divided.
• New challengerCommunist Party of India (CPI) finished second with 28.9% — it did not contest here in 1977.
• Vote fragmentedThe top two took only 68.7% between them, down from 88.9% — the field split more ways.

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