BENGALURU/MUMBAI: Paytm founder Vijay Shekhar Sharma is synonymous with setting big goals and doesn’t shy away from his grand ambitions. “Go big, or go home”, a sales slogan believed to have originated in ’90s America, is a symbol of what Sharma and Paytm stand for. It is now part of Indian startup folklore that the slogan, put up on a billboard outside the office of the digital payments major in Noida, is the proof by which