Explanation:

The Daman Ganga also called Dawan River is a river in western India. The river's headwaters are on the western slope of the Western Ghats range, and it flows west into the Arabian Sea There is an existing major irrigation project on the river called the Damanganga Reservoir Project, which is located near Madhuban village in Dharampur taluka of Valsad district of Gujarat. It is an inter-state multipurpose project of the Govt. of Gujarat and Union Territories of Dadra & Nagar Haveli (D&NH) and Daman. The storage of this project is shared by the riparian states of Gujarat, Union Territories of Dadra & Nagar Haveli and Daman & Diu as beneficiary States.