To Indian commenters on HN, how much of that is true? Do you feel threatened when a coworker asks about where you are from? It's something I do ask from time to time (not during interviews obviously, but during lunch for example) out of pure curiosity. Should I stop? I guess that I should explicitly add that I am not from India. Cross-cultural communications can be a bit difficult at times and I'd rather not make blu…
I don't think you should stop asking people where they are from. But perhaps don't interrogate them (we get enough of that at airports), implying that they're obstructing their true origin from you. Also, tone matters, whether you like it or not. Saying "where are you from" can sound genuinely curious, but it can easily sound disgusted and derogatory.
On any implied caste system, I can speak for the London tech startup world in which I've worked for several years. I've probably had dozens of (South) Asian colleagues and have never noticed the slightest hint of intra-Asian racism or classism.