25. Matigara-Naxalbari

Indian National Congress held the seat; the winning margin widened from 4.2% to 8.9%.

• Won on a lower shareIts own vote share fell 3.9% — it held because the rest of the vote was more divided.
• New challengerAll India Trinamool Congress (AITC) finished second with 32.4% — it did not contest here in 2011.
• Vote fragmentedThe top two took only 73.7% between them, down from 86.2% — the field split more ways.

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