Services along the Howrah Maidan-Esplanade stretch of the East-West Metro will now be available on Sundays, officials said on Thursday. The Sunday service on the route under Green Line-2, a portion of which runs under river Ganga, will commence from September 1, they said. Trains will operate at a 15-minute interval, with the first one leaving Esplanade and Howrah Maidan stations at 2:15 pm.