Draughtsman (Contract Basis) – National Water Supply and Drainage Board February 25, 2021December 15, 2024 Applications.lkClosing Date – 2021-March-12Sinhala Advertisement Preview English Advertisement Preview Sinhala AdvertisementDownloadEnglish AdvertisementDownloadModel ApplicationDownloadSource – Dinamina (2021.02.25) | Daily News (2021.02.25)