New Delhi, June 21 -- You can't imagine it ever being quiet or empty, but on a weekday afternoon, the 100-year-old MTR Restaurant near Bengaluru's Lalbagh is especially loud and lively. Outside the steps leading into the restaurant, an ecosystem of small businesses has sprung up over the years-flower sellers, newspaper vendors, a fruit seller or two-all targeting customers streaming in for their evening vada and coffee. "They are part of the MTR family," says Hemamalini Maiya, 52, managing partner, MTR Restaurants, as she leads me inside. I have been to MTR before, of course-you can't call yourself a Bengalurean unless you have stepped in here, bleary eyed after a morning walk in Lalbagh or exhausted from an appointment at the nearby Regi...