Hello,

We have a lot of facilities available online for competitive exams like IIT-JEE preparations.

Here is the list of well known youtube channels for quality JEE preparations:

1) IITJEE Master (PCM)

2)Rao Academy

3)Physics Galaxy

4) Mohit tyagi for mathematics

5) m learning for IIT JEE

Each one of the above have their own expertise and are quite great for preparation.

Hope it helps!!