Job Vacancies at National Water Supply and Drainage Board (NWSDB) – 2026 July Kalu Ganga Water Supply Expansion Project (I) More Details & Application Click_Here Website www.waterboard.lk Closing Date 2026.08.02The post National Water Supply & Drainage Board (NWSDB) Project Vacancies 2026 July appeared first on TamilGuru.lk.