Job Vacancies at National Water Supply and Drainage Board (NWSDB) – 2026 July Jaffna Kilinochchi Water Supply & Sanitation Project Full Details Download Application Form Click_Here Website www.waterboard.lk Closing Date … The post National Water Supply & Drainage Board (NWSDB) Vacancies 2026 – Engineers, Engineering Asst, Accounts Asst appeared first on TamilGuru.lk.