253. Hisua

Indian National Congress held the seat; the winning margin narrowed from 28.9% to 3.4%.

• Won on a lower shareIts own vote share fell 23.4% — it held because the rest of the vote was more divided.
• New challengerNCO (NCO) finished second with 32.7% — it did not contest here in 1969.
• Vote fragmentedThe top two took only 68.8% between them, down from 90.1% — the field split more ways.

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