People preferring to work with people from their own (sub)cultures, languages, and social networks (networks which often develop in schools) is pretty normal an

People preferring to work with people from their own (sub)cultures, languages, and social networks (networks which often develop in schools) is pretty normal and I don't see it as inherently a bad thing. In an ideal world you hire from a broad pool of people from the public but in reality hiring people you know tends to lower risk and a natural phenomenon. But obviously it shouldn't be a hard rule, talent and applicable skills/personality should be what comes first every time. If the company is entirely all Indian, over a long period of time, when they work in a diverse city then it's probably a sign they aren't looking broadly enough for talent and that is not just negatively biased socially, it's also bad for business.