India, July 18 -- Trinamool Congress (TMC) MP Abhishek Banerjee on Saturday challenged former party leaders who switched sides or joined rebel camp after the BJP came to power in West Bengal, saying he would resign from the party within an hour if they returned to former chief minister Mamata Banerjee.

Several MPs and MLAs who either left the TMC or joined the rebel faction after the assembly elections had alleged that one of the primary reasons behind their exit was Abhishek Banerjee's leadership style. More recently, senior TMC leaders Anubrata Mondal and MLA Madan Mitra, who made the exit, have publicly expressed frustration over TMC general secretary.

Both of them later joined the rebel camp led by Ritabrata Banerjee. The common fru...