For Seuli Mukhopadhyay, it was an alien feeling in the beginning – wearing a device on her wrist that would monitor her vitals, from blood pressure to heartbeat, and calorie intake, round the clock. But a year later, the 64-year-old resident of Indirapuram, Ghaziabad, swears by the smartwatch. “It’s very easy to use now,” she says. Some 50km away in Gurugram, Rohan Mehra, a 24-year-old HR professional, has a different story to tell. He had a