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First of all, i don't think this question is anyway related to this Opencv forum.

If you want to get some suggestions about an Institution or any other course, you can ask in any other social media rather than posting here.

I think this is the place where you can learn for free! How? You start experimenting it & ask questions if you have any doubt in implementing that! There are lot of people in this site who are ready to educate you about that topic they know & also you can educating others about the curious questions you have about a topic. So in my personal opinion experimenting is the best way to learn.