This does not ring true to me. From what I've seen living in India, people in extreme poverty don't buy bottled water. They boil or filter tap water at home.

This does not ring true to me. From what I've seen living in India, people in extreme poverty don't buy bottled water. They boil or filter tap water at home. Middle-class and up people buy bottled water in restaurants or while traveling. I don't know anyone who drinks bottled water (aka Bisleri, the kleenex of bottled water in India) at home. Everyone has RO filters. I have only seen people in North America buying bottled water for everyday, at-home consumption. I think it is very wasteful.