Civil Engineering is a professional engineering discipline that deals with the design, construction and maintenance of the physical and naturally built environment, including works such as bridges, roads, canals, dams and buildings. Civil engineering is the oldest engineering discipline after Military engineering, and it was defined to distinguish non-military engineering from military engineering. It is traditionally broken in to several sub-disciplines including environmental engineering, geo technical engineering, structural engineering, transportation engineering, surveying etc. Civil engineering takes place on all levels; from Govt., Semi Govt, state & urban bodies to private sector and MNC`s.