BY A STAFF REPORTER: Trinamool supremo Mamata Banerjee has thrown a huge surprise in the by-election to the Asansol Lok Sabha seat. She has fielded former Union minister Shatrughan Sinha for the seat. Bjp leader Amit Malviya targeted the state government as well as Mamata over the issue. Malviya tweeted that, It was widely speculated that TMC would field Saayoni Ghosh, president of party’s youth wing, considered close to Abhishek Banerjee, from Asansol. But Mamata Banerjee, just to cut her nephew to size has fielded a complete outsider, not just for Asansol but Bengal, from the seat.