143. Jamui

Indian National Congress held the seat; the winning margin narrowed from 11.4% to 4.0%.

• Won on a lower shareIts own vote share fell 14.4% — it held because the rest of the vote was more divided.
• New challengerCommunist Party of India (CPI) finished second with 19.3% — it did not contest here in 1951.
• Vote fragmentedThe top two took only 42.6% between them, down from 64.0% — the field split more ways.

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