India suffers from this colonial system and unfortunately media takes every single opportunity. Like recent rape cases. Only case with victim from lower class and culprits from higher class is getting all the media attention.
I am not saying it's unnecessary but having a dialog requires honest intentions. Just like BLM these media hype cases don't help.
In my 20 years of experience I have seen caste discrimination in villages but not in modern offices. People from all creed and caste work together and progress together.
As far as marriages are concerned , how many Europeans marry outside their social class? I would guess not many.