168. Umbergaon

Indian National Congress held the seat; the winning margin narrowed from 54.0% to 39.2%.

• Won on a lower shareIts own vote share fell 12.2% — it held because the rest of the vote was more divided.
• New challengerNCO (NCO) finished second with 25.7% — it did not contest here in 1967.
• Vote fragmentedThe top two took only 90.5% between them, down from 100.0% — the field split more ways.

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