I am a trained graduate teacher. I know that how difficult it is for a trainee teacher to find right content from youtube. There are a lot of institutions and they charge huge amount for such courses. There are PCM & CBZ videos already in Khan Academy. Please consider making a module / course for CTET/STET/B.Ed/KVS. You just need to include PCM , CBZ, and some educational psychology videos like piaget theory, vygotsky's theory etc. You guys also need to make quizzes and mock tests.