Civil Engineering is a professional engineering discipline that involves Design, Construction and Maintenance of the physical and naturally built environment encompassing roads, bridges, canals, tunnels, dams, sewage systems, buildings, ports and airports. Civil Engineering can be classified as Structural, Water Resources, Environmental, Construction, Transportation, Geo - technical, Materials, Coastal and Municipal. After finishing BTech, a candidate can get employment in road projects, building work, consultancy firms, quality testing laboratories or housing societies. Civil engineers are employed in all the major construction projects carried out by the state or central government, the railways, private construction companies, military, engineering services, etc.