“We want to be the Blinkit of cash delivery,” says Suneel Aiyer, mentor and advisory board member at PocketATM. Its business model: Put idle cash in kiranas’ tills back into play. Assume you want Rs 2,000 in cash, you flash a QR code at the outlet; your account is debited and cash is handed over. A matching credit entry is made in the merchant’s account. The clever part here is not PocketATM’s idea but that it has cottoned on and seeks to breathe life into a long-forgotten circular issued by the National Payments Corporation of India (March