Kolkata, TMC supremo Mamata Banerjee has launched efforts to prevent further exodus from the party following the first split in its 28-year history, personally reaching out to rebel legislators even as senior leaders work to hold together the flock that appears increasingly restless after the post-poll rupture. Holding the flock together: Mamata reaches out to rebels as TMC battles further fragmentation Sources in the party said Banerjee has over the past two days spoken to several MLAs from Howrah, Murshidabad and North Dinajpur, many of whom were seen attending meetings of the Ritabrata Banerjee-led rebel camp after 58 legislators seized control of the TMC legislature party and installed the expelled MLA as the leader of the opposition. The calls come at a time when the TMC founder finds herself in the unfamiliar position of fighting to retain leaders she had once handpicked and politically nurtured. “She is speaking to legislators individually and asking them to attend a meeting at Kalighat on Friday. The effort is to keep communication channels open and explore the possibility of …