New Delhi, June 14 -- Rebel TMC leader Kakoli Ghosh Dastidar's son accused a leader from Mamata Banerjee's TMC camp of calling his mother an "alcoholic".

"Sonali Guha, from Mamata Banerjee's camp, said my mother drinks heavily...," Baidyanath Ghosh Dastidar, son of TMC MP Kakoli Ghosh Dastidar, told ANI in an interview on Sunday.

"We remained silent because we wanted to make a considered decision; we stayed quiet out of respect and a sense of dignity. But the situation has now reached a point where we have no choice but to speak up," Baidyanath Ghosh said.

He added, "Therefore, I consulted my lawyer, who drafted a legal notice-We will serve this notice on Monday or Tuesday to Mamata Banerjee, Mahua Moitra, Saugata Roy, Kalyan Banerjee,...