Courses by SLT Training Centres / Courses in Sri LankaCity and Guilds Telecommunication / Electrical / Electronic Courses – SLT Training Centres 2017 July 6, 2017September 15, 2017 Closing Date – Not Mentioned Advertisement English Edition Preview Download Advertisement (English Edition) Instructions to Candidates Contact Numbers : Welisara – 011-2956721 / 2956258 / Moratuwa – 011-2645371 / Galle – 091-2232245 / Peradeniya – 081-2388500 / 2389111 Source – Observereducation.lk Website