Ganges river dolphin is found in which of the following Wildlife Sanctuary's river?

Ganges river dolphin is found in Chambal Wildlife Sanctuary's river. National Chambal Sanctuary, also called the National Chambal Gharial Wildlife Sanctuary, is a 5,400 km² tri-state protected area in northern India for the protection of the Critically Endangered gharial, the red-crowned roof turtle and the Endangered Ganges river dolphin.