12. Falakata

Indian National Congress held the seat; the winning margin narrowed from 32.6% to 4.9%.

• Won on a lower shareIts own vote share fell 25.9% — it held because the rest of the vote was more divided.
• New challengerCommunist Party of India (Marxist) (CPM) finished second with 28.1% — it did not contest here in 1969.
• Vote fragmentedThe top two took only 61.0% between them, down from 85.0% — the field split more ways.

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