<Tr> <Th> Main source </Th> <Td> Udaipur district in Aravalli Ranges </Td> </Tr> <Tr> <Th> River mouth </Th> <Td> Luni River </Td> </Tr> <P> Jawai is a river originating in Udaipur district in Aravalli Ranges, a tributary of the Luni River . </P> <P> Sukri river is its main tributary . It joins Khari river in Jalore district near Sayala . The river flows in a north - west direction for about 96 km (60 mi). Its catchment area is 2,976 km (1,149 sq mi) in Udaipur, Pali and Jalore districts . </P>

Jawai river from the border of which two districts