India's newest billionaire Saurabh Gadgil is the Chairman and Managing Director of PN Gadgil Jewellers. A sixth-generation successor of the Gadgil family, he joined the 192-year-old family business after graduating with an MBA from Pune's Symbiosis University. The 47-year-old also studied at Brihan Maharashtra College of Commerce, interned at the RBI and is a former national-level chess player.