Occasionally when I dig into some random historical bunnytrail I’m reminded of how huge the gap between South and North India is. I used to calibrate it as being roughly the same as between Latin and Germanic parts of Western Europe, but the gap is probably closer to Western vs Eastern Europe. Perhaps bigger. The Vindhyas are a stronger barrier than the Urals and there is no equivalent to the Eurasian steppes providing continuity.

The language families are probably about as far apart, and religious traditions are about as distant as Roman Catholic/Protestant vs Orthodox. And South India was often the graveyard of North Indian military adventurism the way Russia was for Western Europe. 

Historically, North India was basically terrestrial while South India was maritime. A fair amount of ruling class cosmopolitanism, but the ruled masses might as well be from different continents. North-South is a bigger gap than North-Pakistan.

I’m personally unusually less sensitive to it since I grew up in the north.

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