21. Kateya

Indian National Congress held the seat; the winning margin narrowed from 23.3% to 8.2%.

• Won on a lower shareIts own vote share fell 14.2% — it held because the rest of the vote was more divided.
• New challengerBharatiya Janata Party (BJP) finished second with 36.8% — it did not contest here in 1977.
• Vote fragmentedThe top two took only 81.8% between them, down from 95.1% — the field split more ways.

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