Search Calcutta assumes life of its own after night curfew sets in Many elderly residents complained they are woken up in the middle of the night by the vroom of the super cars A slice of Calcutta assumes a life of its own after the night curfew sets in. Ballygunge Circular Road, the leafy, upscale south Calcutta neighbourhood, has never been a stranger to a vibrant nightlife. Two dhabas on the road, which remain open through the night, have always drawn a sizable section of the city’s late-night revellers. Advertisement A tour of the road on two consecutive nights, Friday and Saturday, showed little has changed because of the 9pm-to-5am curfew.