The Coast Guard today rescued 28 people trapped on a rooftop in Valsad in Gujarat, due to rising water level in Auranga river. "At about 1000 hrs on August 2, 2016, Indian Coast Guard Air Station Daman received telephonic information from Valsad Administration regarding 10 persons trapped on a rooftop near Valsad due to high rise of water in Auranga river," an official statement said.