121. Manicktola

Communist Party of India held the seat; the winning margin narrowed from 36.4% to 16.8%.

• Won on a lower shareIts own vote share fell 21.0% — it held because the rest of the vote was more divided.
• New challengerIndependent (IND) finished second with 29.2% — it polled just 1.6% in 1957.
• Vote fragmentedThe top two took only 75.2% between them, down from 97.6% — the field split more ways.

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