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For 43-year-old Sharma, Infosys cofounder Nandan Nilekani wrote in the magazine that Sharma “seized the moment” when India’s unexpectedly scrapped 86 per cent of the country’s currency notes. As Indians scrambled to exchange the banned notes for new currency, Paytm, Sharma’s digital payments startup, went on a promotional spree, inviting Indians to start using Paytm’s wallet. “It worked. By the end of 2016, Paytm had 177 million users, compared with 122 million at the beginning of the year,” Nilekani wrote.