70. Hiranagar

Indian National Congress held the seat; the winning margin narrowed from 13.7% to 10.4%.

• Won on a lower shareIts own vote share fell 10.5% — it held because the rest of the vote was more divided.
• New challengerBharatiya Janata Party (BJP) finished second with 29.6% — it did not contest here in 1977.
• Vote fragmentedThe top two took only 69.5% between them, down from 87.1% — the field split more ways.

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