WARDHA.The Pranhita River is the largest tributary of the Godavari River, occupying 34% of its drainage basin, which carries the combined waters of the PENGANGA River, the Wardha River, and the WAINGANGA River. The river flows through the entire Vidarbha region in Maharashtra, as well as the southern slopes of the Satpura range. The Pranhita sub-basin is the seventh-largest in INDIA, 109,078 km2 in size, rendering it larger than the individual basins of major rivers such as the Narmada River and the Kaveri River.The Koyna River:It is a tributary of the Krishna River, which ORIGINATES in Mahableshwar, Satara district, Maharashtra. It rises near Mahabaleshwar(the famous western Ghats hill station).The Tapti River:It is a river in central India between the rivers Godavari and Narmada, which flows westward until it flows into the Arabian Sea.The Ulhas River:It is a west-flowing river in western India, in Maharashtra, which drains an area of 4,637 km2.