Amit Shah will be visiting West Bengal every month till the assembly polls, the BJP had said. Kolkata: Union Home Minister Amit Shah today warned West Bengal Chief Minister Mamata Banerjee of such a tsunami of defections from "Trinamool" Congress ahead of the state Assembly polls that by the end of it she would left all alone. To make his point, the senior BJP leader today got to parade 13 new faces who had joined his party, the most important of them being former West Bengal cabinet minister Suvendu Adhikari. Others who joined the BJP today in Mr Shah's presence were: East Burdwan MP Sunil Mondal from Trinamool and former Trinamool MP Dasarath Tirkey, along with MLAs Tapasi Mondal, Ashoke Dinda, Sudip Mukherjee, Saikat Panja, Shilbhadra Dutta, Dipali Biswas, Sukra Munda, Shyamapda Mukherjee, Biswajit Kundu, and Banasri Maity.