159. Amarpur

Janata Dal (United) held the seat; the winning margin narrowed from 7.6% to 1.9%.

• Won on a lower shareIts own vote share fell 14.8% — it held because the rest of the vote was more divided.
• New challengerIndian National Congress (INC) finished second with 31.2% — it did not contest here in 2015.
• Vote fragmentedThe top two took only 64.4% between them, down from 88.1% — the field split more ways.

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