O2 (Ireland) BT Group and 1 mm02 share for each British Telecommunications share they held. After the de-merger, most of mmO2's operations, including Digifone, were rebranded O2. mmO2 plc later became O2 plc and remained an independent company until 2005. On 31 October 2005 it was announced that Telefónica, S.A., the Spanish telecommunications company, had made a recommended takeover bid for O Ireland's parent company, O2 plc. This was then approved by shareholders and O was officially purchased in mid February 2006. The O2 brand is now used in several countries for Telefónica's mobile operations outside Spain and Latin America, where Telefónica
Calcutta State Transport Corporation low floor bus in India, has been launched from 30 July 2014. These buses have been manufactured by Ashok Leyland Calcutta State Transport Corporation Calcutta State Transport Corporation (CSTC) is a West Bengal state government undertaken transport corporation. Headquartered in Kolkata it was set up on 31 July 1948. It plies buses in Kolkata and the nearby districts of West Bengal with some long distance services. CSTC owns 11 depots in Kolkata and some more outside in the districts to station . Calcutta State Transport Corporation started its journey on 31 July 1948 as State Transport Services with an objective