Bihar State Road Development Corporation Ltd., a Govt. of Bihar Undertaking was incorporated under Companies Act, 1956, with an objective to carry out, improve , work, develop, administer, manage, control or maintain in Bihar and elsewhere all type of Roads, highways, express routes, paths, street, bridges, sideways, tunnels, and other infrastructure, works and conveniences, approach roads, sheds, temporary, dwelling huts in case of calamity or a emergency pertaining to all departments of Government of Bihar or any other department, agency, organization or body through Road Construction Department or directly.