What are the fundamental reasons that enlightnen Indians residing in the US to return home ?

A Substantial amount of Indians complete their graduation every year and are bubbling with avenues ahead. Their immediate instincts help them put their feet on the US soil. Of course the arrangements are overwhelming. The US is believed to be a "land of opportunities".

On this very land, one develops the art of independent living and supports oneself by working to one's potential. He is confronted to an extreme Infrastructure, Gigabyte Internet speeds, and a diverse culture.

After having embraced this life, what makes one return back home? Is this revolution beneficial to the society ? These are few realizations which needs to be commented and understood.