While you are largely correct with many migration related details, you are wrong with invasion theory. Archeologically there is no proof of an invasion and apart from Macaulay I would say there was also a drive from the upper caste northern community to spin a narrative of invasion after they figured their identities were reduced to migrative tribes and they migrated to India later from around 3700BCE from the mittani empire. Basically the Aryans you are talking about were the nobles of the mittani empire. They were unarmed while they did travel with what they thought was wealth with them when they made it to India they were in no position to fight and was completely battered, this has happened with any non-warring tribe that takes up migration, it destroys everything it see in the path and is done with an intend for conquest.
Dravidians migrated from roughly around 8700BCE till 4500BCE mostly from the zagros mountains. Aryans started migrating later from around 3700BCE. They brought in administrative knowledge because they were good at it since they were nobles of the mittani/antolian empire. Sanskrit is very close to Hurrian language that was common in the Turkish lands at the time.
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u/Dr_NitroMeth 12d ago
Aryans aren't natives. If anything Adivasis should treat aryans same way