Deputy General Manager (Human Resources) – National Water Supply and Drainage Board January 31, 2021December 15, 2024 Applications.lkClosing Date – 2021-February-15Sinhala Advertisement Preview English Advertisement Preview Sinhala AdvertisementDownloadEnglish AdvertisementDownloadModel ApplicationDownloadSource – Silumina (2021.01.31) | Sunday Observer (2021.01.31)