Sukkur Barrage It is located on the river Indus. Seven canals have been taken out from this Barrage, namely NW canal, Rohri canal, Nara, East Khairpur, West Khairpur, Rice, Dadu and irrigates 22000 square kms. These canals irrigates the areas of Hyderabad, Sanghar, Larkana, Dadu, Nawabshah and Khairpur.