Dear Student,

You can check You tube for such course. There, you will many good teachers who will teach you in hindi language for IIT. You can also check the Unacademy app for this type of course. Now let me tell you that, getting a good rank in JEE Advanced exam is not so easy. This needs a lot of hard work and preparation. And also, solve as much previous year papers as you can. This will helps you a lot.

Best of luck for your exam.