India, April 12 -- With polling just 11 days away, a dramatically redrawn electoral roll and a BJP manifesto aimed squarely at Mamata Banerjee's core voters are turning what was once a foregone conclusion into West Bengal's most unpredictable election ever.

On Friday, Union Home Minister Amit Shah arrived in Kolkata to release the BJP's manifesto-its "Sankalp Patra"-and served notice that the party intends to fight the election on every front Mamata Banerjee considers her own.

The BJP's Bengal manifesto targets Muslims, women and youth-the very segments that have traditionally sustained Mamata Banerjee's Trinamool Congress (TMC)-through a mix of UCC (Uniform Civil Code), women's cash support and youth allowances.

"Bengal, weary of the ...