117. Dibrugarh

Indian National Congress held the seat; the winning margin narrowed from 25.6% to 11.4%.

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 19.2% — it held because the rest of the vote was more divided.
• New challengerSamyukta Socialist Party (SSP) finished second with 26.9% — it did not contest here in 1962.
• Vote fragmentedThe top two took only 65.1% between them, down from 89.5% — the field split more ways.

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