Multiple reports say rebel Trinamool Congress (TMC) MLAs remove Mamata Banerjee from the chairperson role and appoint Arup Roy in her place. The articles describe the change as an internal shift led by TMC legislators who are described as “rebel” members. Both sources frame the decision as a replacement of Banerjee with Roy, indicating that the chairperson position is filled by a new appointee following the ouster. The reports do not provide detailed information in the provided text on the reasons for the move, the process used to effect it, the specific committee or body involved, or whether there are any challenges to the decision. They also do not specify dates, venues, or the number of MLAs participating. Overall, the accounts align on the core facts: Mamata Banerjee is removed as chairperson by rebel TMC MLAs, and Arup Roy is chosen to take over the role.