Biggest caste survey: One in four Indians admit to practising untouchability http://indianexpress.com/article/india/india-others/one-in-f...

Why Caste Won't Disappear From India http://www.huffingtonpost.com/shashi-tharoor/caste-wont-disa...

I have worked at a software company in India for over 10 years and have literally never seen this. Even once.

This statement is plain wrong. People you are referring to are highly educated professionals.

I've actually witnessed what the parent refers to, here in silicon valley.