313. Gumla

Indian National Congress held the seat; the winning margin narrowed from 24.2% to 16.1%.

• Won on a lower shareIts own vote share fell 13.3% — it held because the rest of the vote was more divided.
• New challengerJanata Party (JNP) finished second with 17.3% — it did not contest here in 1980.
• Vote fragmentedThe top two took only 50.7% between them, down from 69.3% — the field split more ways.

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