Ghandi could have been a rogue thinker but black Hindus or Indians are of African hertiage, read about the volunatry migration of Africans to India and if you do some DNA research the average Indian today has a percentage of african DNA varyibg from 10-60% so Ghandi was just feeling some sort of insecurity after the europeans expressed thier propaganda.
The Nazis stole a lot of information from The Vedas, for the main point Aryan is a sanskrit word and the "swas sitka" is actually in many cultures of polytheism like African & Hindu traditions but the nazi stole it and chnaged our perception of it.
Truth is Melanin = Descendants of the orginal people.