Luni river: River Luni orignates at the confluence of two streams Saraswati and Sagarmati near Gonvindgarh in Ajmer. After flowing through Ajmer, Nagaur, Pah, Jodhpur, Banner and Jalore, it drains into the Rana of Kutch. Its water remains fresh (sweet) till Balotra of Barmer district afterwards it becomes saline. Its tributaries include the Jojri, the Bandi, the Jawai, the Mithari, the Khari, the Sukri, the Sagi and the Guhiya etc.