1.Mandovi River, known as Mhadai in Western Ghats of Goa and Karnataka, has three sources: the Degao, the Nanevadichi Nhõi (nhõi Means River in Konkani) and Gavali; the last two sources go dry in summer season.
2.The main origin of the river, in the form of a spring, even during summer season, is at Bavtyacho Dongor hills near Degao village in Khanapur Taluka of Belgaum Dist in Karnataka State.
3.Only A
4.Both A & B