Central Public Works Department is situated in Dehradun .Uttarakhand was cut out of the northern piece of Uttar Pradesh on ninth Nov; 2000. It is limited by U.P. on the South, Nepal on the East, Himachal Pradesh on the west and China on the north-east. The topographical region of the state is 53,483 sq.km. It positions at eighteenth spot and it's offer is 1.69% of the nation's territory all in all. The significant aspect of the province of Uttarakhand is hilly.Geographically, it is arranged in the focal Himalayan zone. It stretches out between 77o 34' and 81o 02' E longitude and 28o 43' to 31o 27' N scope. The geology of Uttarakhand is described by sloping territory, tough and rough Mountains, profound valleys, high pinnacles, sharp streams and creeks, quick soil disintegration, regular avalanches and broadly dispersed residences.