Here is my basic understanding of Indian music: The northern and southern parts have their own styles but with overlaps. What's amazing is that Indian classical music has no key. There is no absolute sense of middle C or whatever. It is relative to the tuning of the drone. I don't have a strong background in music, but this seems to get rid of the complexity of the notation system in the west with a much more fluid a…
No, percussion (meter) has it's own framework called Taala [1], which is orthogonal to Raaga.
As a concrete example: Raaga Hamsadhwani in Rupak Taala (7 beats) [2] vs Teental (16 beats) [3]
[1] https://en.wikipedia.org/wiki/Tala_(music)