21. Baithalangso

Indian National Congress held the seat; the winning margin widened from 47.1% to 48.9%.

• Won on a lower shareIts own vote share fell 4.5% — it held because the rest of the vote was more divided.
• New challengerIndependent (IND) finished second with 20.1% — it did not contest here in 1967.
• Vote fragmentedThe top two took only 89.1% 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.