To say that Vijay Shekhar Sharma is ambitious is an understatement. The founder of Paytm, India's largest digital payments company, has already revolutionized the way 400 million people spend money — whether it's buying dinner, paying an electric bill or sending money to a friend. Over the course of his career, he's also ventured into online retail, banking and even gaming. But he's not done yet. Sharma wants to bring at least half a billion Indians into the banking system through Paytm's app. He also wants to put Paytm on the global map alongside the Googles and Facebooks of the world. Read more about Paytm at CNN.com: cnn.it/3c5V3i3 Producers: Richa Naik, Tawanda Scott Sambou, Janelle Gonzalez CNN Business' Risk Takers is a series hosted by Rachel Crane about the leaders making the biggest bets designed to push global business into the future. cnn.it/2QguYFc #CNN #Business #Paytm CNN Business brings you the latest business news about the world's top compan...