Mamata has to be defeated to bring about much-desired change in Bengal: Amit Shah in Nandigram

Exuding confidence that BJP candidate Suvendu Adhikari will win the elections from Nandigram by a record margin, Union Home Minister Amit Shah on Tuesday said defeating TMC chief Mamata Banerjee, a co- contestant from the seat, was "absolutely necessary to bring about the much-desired change in Bengal.