Government Job Vacancies in Sri Lanka / National Water Supply and Drainage Board Job Vacancies / Ratmalana / Moratuwa Wastewater Disposal Project VacanciesSenior Sociologist (Contract Basis) – Phase 2 – Stage 1 of Ratmalana / Moratuwa Wastewater Disposal Project February 21, 2021October 10, 2021 Closing Date – 2021-March-10 Here you can see the Sinhala Advertisement… ad-si-20210217-1 Here you can see the English Advertisement… ad-en-20210217-1 Sinhala AdvertisementDownloadEnglish AdvertisementDownloadModel ApplicationDownloadSource – Dinamina (2021.02.17) | Daily News (2021.02.17)