84. Pottangi

Indian National Congress held the seat; the winning margin narrowed from 35.9% to 0.5%.

• Won on a lower shareIts own vote share fell 18.2% — it held because the rest of the vote was more divided.
• New challengerJanata Party (JNP) finished second with 43.2% — it did not contest here in 1980.

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