Courses by General Sir John Kotelawala Defence University (KDU) / Courses by Naval Institute of Technology / Courses by Sri Lanka Navy / Courses in Sri LankaDiploma Programmes – Naval Institute of Technology / General Sir John Kotelawala Defence University August 2, 2020October 28, 2020 Closing Date – 2020-August-30 Diploma Programmes – Naval Institute of Technology – General Sir John Kotelawala Defence University English AdvertisementDownloadSource – Sunday Observer (2020.08.02)