Read Pierre Omidyar is best known as the founder of the online auction company e-Bay, which he grew from an “odd little Web site” to one of Web commerce’s biggest and longest-lasting success stories. But his philanthropic investment firm, called the Omidyar Network — which invests money in for-profit start-ups that have a social impact as well as makes grants to non-profits — has also been very active in India. It has quietly invested almost $100 million in early stage entrep