Rank 4: Shiv Nadar ($14.8 billion)
Shiv Nadar , founder chairman of Rs 16,000-crore IT enterprise HCL, is the fourth richest Indian in the Forbes 2015 list. Nadar donates billions of dollars from his personal wealth to the Shiv Nadar Foundation, the philanthropy organisation started by him in 1994. His foundation exit HCL by selling its 0.79 per cent stake in the open market this year in March. He purchased a Rs 115 crore bungalow in Delhi for his daughter Roshni last year.