Chief Engineer (Civil, Mechanical & Electrical), Engineer (Civil, Mechanical, Electrical), Engineering Assistant (Civil, Mechanical, Electrical) - National Water Supply & Drainage Board Chief Engineer (Civil, Mechanical & Electrical), Engineer (Civil, Mechanical, Electrical), Engineering Assistant (Civil, Mechanical, Electrical) - National Water Supply & Drainage Board Chief Engineer (Civil, Mechanical & Electrical), Engineer (Civil, Mechanical, Electrical), Engineering Assistant (Civil, Mechanical, Electrical) - National Water Supply & Drainage Board

Source: www.waterboard.lk (2017.06.05)