Earlier quoted context omitted.
It seems like you are describing the norm. The prime advice for everyone is networking, networking, networking, isn’t it? And it’s not what you know, but who you know. Going to the right schools to be able to make the right friends, etc.
Networking and having a reputation among peers for doing good work is one thing. Ethnic nepotism is a different thing. It's a massive failure on the part of many of these companies that this is allowed to happen.
We very openly have universities in the US that favor admitting children and relatives of alumni. Hell, we just had a US President that installed his own kids and son in law in various government capacities, and then pardoned his son in law’s dad.
I guess my comment is to question whether Indians are doing something that different to what non Indians are doing.
It seems like a very gray area. Of course, Indians could be doing it to a shade of gray closer to nepotism than others.