Cofounder of the $7 billion (revenues) HCL Group gets bulk of wealth from software outfit HCL Technologies, which reported net profits of $1.2 billion on revenue of $6 billion in the year ended June 2015. The company formed a joint venture for banking software services with U.S.-based Computer Sciences Corp. His newest venture is HCL TalentCare, a skills-development firm that provides training to new graduates. Nadar recently set up a $500 million fund with a partner to invest in startups and U.S. health care tech firms.