On most evenings in Madurai, the streets slowly fill with familiar sounds. Tea stalls clink with steel tumblers, small textile shops switch on bright tube lights, and fruit vendors rearrange their baskets for the evening rush. Business here has always been personal. A smile, a quick chat, remembering a customer’s usual order — these things matter. But over the past few years, something truly remarkable has been developing. While the conversations still happen face-to-face, ma
