Ministry of Highways and Road Development and Petroleum Resources Development Vacancies / Road Development Authority (RDA) VacanciesSenior Environmental Officer, Senior Social Officer, Environmental Officer, Social Officer – Road Development Authority 2019 June 16, 2019 Closing Date – 2019-June-26 Advertisement English Edition Preview Download Advertisement (English Edition) Download Model Application (Sinhala / English Edition) Instructions to Candidates Contact Numbers : 011-2046200 / 011-2548660 / 011-2539422 Source – Daily News (2019.06.11)