Explanation:

Sindh Sagar Doab, one of the five major doabs of the Punjab province of Pakistan. Doab, a Persian term, signifies an area between two rivers. The Sindh Sagar Doab is the area between the Indus River and the Jhelum River. As such, it forms the northwestern portion of the Punjab plains. It is the largest of the Punjab doabs in land area but also the poorest, due to its limited agricultural land.