Courses by National Institute of Education (NIE) / Courses in Sri LankaDiploma in School Management (DSM) 2020 – National Institute of Education (Maharagama) December 8, 2019December 8, 2019 Closing Date – 2019-December-21 Advertisement Sinhala Edition Preview Download Advertisement (Sinhala Edition) Download Application (English Edition) Instructions to Candidates Contact Numbers : 011-7601601 Email – [email protected] Source – Dinamina (2019.12.02)