Kolkata: Another big shock for Mamata ahead of the West Bengal elections. Several party leaders have already left the party, while another has resigned. He is Rajiv Banerjee, a senior Trinamool Congress leader in Chief Minister Mamata Banerjee’s party. Rajeev wrote in his resignation letter, “I have resigned from the Trinamool Congress and other posts from the party. I thank everyone. I am grateful for whatever challenges and opportunities I have while in the team. All the time he has spent as a member of the party will always be important to me. ’Rajiv Banerjee recently left Mamata Banerjee’s cabinet. The leader, representing the Domzur assembly constituency, met Speaker Biman Banerjee in the state legislature and handed over his resignation letter. I have already submitted my resignation letter to Bachchupati. I would like to thank Mamata Banerjee, the party’s supremo, for giving me the opportunity to serve in the party. ‘ Will arrive in Kolkata. It is speculated that Rajiv Banerjee may join the BJP. Not only him, suspended TMGC MLA Vaishali Dalmia, Uttarpara MLA Prabir Ghoshal are also expected to join the BJP.