There are 1000 of Video Lessons available in You Tube released by Guru Gedara Education TV Channel in All three languages.
You Just go to you Tube And Search CHANNEL NIE and then go to Play List. Then You Can Choice the video you need to watch according to your class and medium
Click Below to Direct Access to Channel NIE
(ask or arrange to use the YOU TUBE CONSESSION data plans for this)
Video Guide