Bihar Urban Transport Services Limited (BUTSL) a flagship company of Government of Bihar, has established to run city bus services in state of bihar. Bihar Urban Infrastructure Development Corporation Ltd (BUIDCO) is a flagship company owned by Government of Bihar. Incorporated in 2009, BUIDCO is mandated to execute and accelerate urban infrastructure projects in the State of Bihar. These infrastructure projects are mainly classified into ten categories e.g. 24x7 Water Supply Projects, Sewerage and Sewage Network Projects, Storm Water Drainage Projects, Solid Waste Management Projects, Urban Transport Projects, Affordable Housing Projects, Riverfront Development Projects, Urban Street Light Projects, Commercial Market Development Projects and Urban Beautification Projects.