O2 (UK) first commercial General Packet Radio Service. BT Cellnet, together with BT Group's mobile telecommunications businesses in Germany, Ireland and the Netherlands, was part of the BT Wireless division. This was spun off from the BT Group in 2002 to form a new holding company, mmO2 plc, which introduced the new "O2" brand for the businesses. In 2005, mmO2 plc was renamed O2 plc. O2 plc was purchased by the Spanish telecommunications company Telefónica in 2006 for £18 billion. Under the terms of the acquisition, Telefónica agreed to retain the "O2" brand and the company's UK headquarters. O2 plc became Telefónica
Calcutta State Transport Corporation 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 to provide efficient, adequate, economical and properly coordinated passenger bus service particularly in and around the city of Kolkata and