Dares Siddharamaiah to resign if Congress loses With the Election Commission’s notification on Nanjangud bypolls expected any time, BJP candidate V. Sreenivasa Prasad kickstarted  his campaign at Santhana Ganapathi  Kalyana Mantap in Sundhuvalli near here yesterday. Addressing a convention of BJP workers, former Minister V. Sreenivasa Prasad, who resigned from the Congress and joined the…