Medieval Indian history is starting mainly from sultanate period. There are some aspects which have made this period valuable in Indian history. Among such aspects agriculture was main part of sultanate. We have much information about the water management system of Delhi Sultanate. There are Many aspects also of agriculture such as method of farming, types of soil for a particular crop, irrigation etc. In this article we are going through about water management system for irrigation under sultanate period specially about Tughlaqs.