We are located at 2nd floor of Mahaweli Authority of Sri Lanka's Head Quarters Building, Colombo 10 Our Address DSWRP Project office 2nd floor, MASL Building No. 500, T.B.Jayah Mawatha Colombo 10 Sri Lanka Telephone :094 011 2675314 Fax :094 011 2691163 Email:pddswrpp@sltnet.lk	Mahaweli Authority of Sri Lanka Head Quarters Building