The app allows consumers to reserve brands available at DSIIDC-run liquor vends, enabling them to check availability and book their preferred liquor in advance | India. The Delhi State Industrial and Infrastructure Development Corporation (DSIIDC) has launched a mobile app, Delhi Liquor Booking, that allows. The 'Delhi Liquor Booking' app was launched by the DSIIDC after required trials, enabling customers to book liquor and pick it up from the vends of the.