212. Arrah

Indian National Congress held the seat; the winning margin narrowed from 15.8% to 6.6%.

Boundaries were redrawn between 1962 and 1967 — the comparison is matched by name and is indicative only.

• Won on a lower shareIts own vote share fell 15.1% — it held because the rest of the vote was more divided.
• New challengerSamyukta Socialist Party (SSP) finished second with 27.7% — it did not contest here in 1962.
• Vote fragmentedThe top two took only 61.9% between them, down from 82.9% — the field split more ways.

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