Trinamool Congress (TMC) chief Mamata Banerjee attacked Bharatiya Janata Party (BJP) on Wednesday after suffering another blow as MLA Madan Mitra joined the rebel camp on Wednesday. "Those who want to go can go," she said, adding that she has a message for the BJP.TMC Supremo Mamata Banerjee attacked BJP via a Facebook live soon after Madan Mitra joined the rebel faction.She claimed that the party wished for her to suffer a heart attack. "BJP wished for me to get a heart attack, I will live till I see your end," said Mamata.Mitra on Wednesday switched allegiance from Mamata's camp to the rebel faction led by Ritabrata Banerjee, saying he had "only changed my room in the Assembly." He said he quit the TMC after his demand that the party's national general secretary, Abhishek Banerjee, "step aside for six months" was not accepted.Also Read | Day after ED summons wife and sons, TMC's Madan Mitra leaves Mamata camp for rebel faction, blames AbhishekMamata defends AbhishekResponding to his exit, Mamata said Mitra left because the ED had summoned his wife and two sons on Tuesday, adding that Abhishek Banerjee had nothing to do with his decision.Mamata said that Abhishek has become an 'excuse' for attacks on the party despite repeated summons issued to him and his family members and praised him for continuing the political battle instead of seeking ‘relief’ through compromise."Abhishek Banerjee has been turned into an excuse. His family members were summoned. Had he wanted, he could have got relief. But he did not run away from the battlefield. The way he has continued to fight, all his flaws have been forgiven," said the TMC chief during a Facebook live on Wednesday.