Dhabawallahs push their carts through the traffic in Mumbai (formerly Bombay). A Dabbawallah is a man employed in a unique service industry whose primary business is collecting the freshly cooked food in lunch boxes from the residences of office workers (mostly in the suburbs), delivering it to their respective workplaces and returning back the empty boxes. "Tiffin" is an old-fashioned English word for a light lunch, and sometimes for the box it is carried in. For this reason, the dabbawalas are sometimes called Tiffin Wallahs