79. Sootea

Indian National Congress held the seat; the winning margin narrowed from 16.8% to 10.4%.

• Won on a lower shareIts own vote share fell 11.8% — it held because the rest of the vote was more divided.
• New challengerSOP (SOP) finished second with 31.6% — it did not contest here in 1967.
• Vote fragmentedThe top two took only 73.5% between them, down from 90.8% — the field split more ways.

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