99. Samastipur East

Indian National Congress held the seat; the winning margin narrowed from 44.8% to 39.8%.

• Won on a lower shareIts own vote share fell 5.5% — it held because the rest of the vote was more divided.
• New challengerSwatantra Party (SWA) finished second with 15.8% — it did not contest here in 1957.
• Vote fragmentedThe top two took only 71.4% between them, down from 77.5% — the field split more ways.

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