Qutbuddin Bakhtiar Kaki, who was born in Aush in Farghana was the leading disciple of Khwaja Muinuddin Chishti came to Delhi where he was warmly welcomed and extended patronage by lItutmish.
Under the rule of the Vijayanagar empire, irrigation became prominent. The development of irrigation took place mainly during the rule of Deva Raya I. New tanks were built and dams were constructed across the river Tungabhadra.