India, June 23 -- The rebel Trinamool Congress (TMC) legislators, recognised by the West Bengal assembly speaker as the principal opposition party in the House, formed their national working committee on Monday and elected Arup Roy as their chairperson, a post held by party founder Mamata Banerjee. "Firhad Hakim, Aroop Biswas, Rathin Ghosh and Sabina Yasmin are vice-presidents," said LoP Ritabrata Chatterjee. He did not say whether the rebels replaced Banerjee with Roy as chairperson or if they represent the party the former chief minister still leads.htc...