Tilaiya is the first Dam and hydro -Electric power Station constructed by Damodar Valley Corporation across Barakar river in Hazaribag district. It is 1,200 ft. long and 99 ft. high. It is situated in an ideal surrounding with a Reservoir streching in 36 sq. kms. The main object is to control floods.The hydro -electric station produces only 4,000k. watt. The beautiful natural surroundings are the attraction to tourists . the main road from Barhi on G.T.road throughreservoir and the hillocks is picturesque.

Rail: Railway station is Kodarma on Grand Chord line of the Eastern Railway. The distance from kodarma Railway Station is 19 Kms.

Road: Roads on Patna - Ranchi Road . 17 kms. from Barhi and 194 kms. from patna.

Local Transport: Buses ply between Kodarma and Hazaribag through Tilaya Dam.