Courses by National Institute of Social Development (NISD) / Courses in Gazette / Courses in Sri LankaTwo Year Diploma in Social Work 2019 / 2020 – National Institute of Social Development (NISD) November 6, 2018 Closing Date – 2018-December-09 Advertisement Sinhala Edition Preview Download Advertisement (Sinhala Edition) Download Application (Sinhala Edition) Instructions to Candidates Contact Numbers : 011-2882506 – 11 / 011-2076021 Email – [email protected] Source – Gazette (2018.11.02)