> Basically Caste in India is as much of a problem as racism is in the US.

Is it common in the US for people to refuse to come into contact with people of other races? To bar them from places of worship? To not even touch water they might have touched?

What you did was just whataboutism. It’s the “yeah it’s bad, but no worse than any other place”. But even if we allow this deflection, it’s not true.