31. Patamundai

Indian National Congress held the seat; the winning margin narrowed from 32.6% to 26.7%.

• Won on a lower shareIts own vote share fell 15.7% — it held because the rest of the vote was more divided.
• New challengerCommunist Party of India (Marxist) (CPM) finished second with 23.9% — it did not contest here in 1980.
• Vote fragmentedThe top two took only 74.4% 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.