This is the very fast growing education app in India.Here they uploaded the video from primary class to higher secondary as well as various entrance exam like UPSC , GMAT, GRE, GATE etc.
They keep updates current affairs in way of government exams.There teaching level is extremly good , I have personally used this app , they keep send notification for new lecture videos .Byju's used a good technology for teaching to reach poor and distnace student for provide best of best education.