This is a terribly rough example (because Hyderabad is VERY different than Tenkasi/Chennai), but here’s a cost comparison of San Francisco vs. India for cost of living.
Oh, by the way, SF ranked as the US’s most costly place to live.
But check out the amazingly more affordable location of Zoho’s headquarters.
Oh, hello SalesForce Tower, “World’s Best Tall Building”, brought to you by SalesForce.
Which just so happens to have an amazing spot in the Bay area.