[abishekk92]

Indian classical music, especially carnatic has a tremendous amount of music theory. I highly recommend T.M. Krishna's "A Southern Music: The Karnatik Story"[0] or this strangeloop talk [1]

[0] - https://www.goodreads.com/book/show/20320205-a-southern-musi...

[1] - https://www.youtube.com/watch?v=u9CGcusOz60