British Mirpuris early 1960s, the Government of Pakistan planned the Mangla Dam, which was to be built in the Mirpur area. Several thousand people had to move. The British then needed workers, mainly for textile factories. Up to 5,000 people from Mirpur (5% of the displaced) left for Britain, and the displaced Mirpuris were given legal and financial assistance by the British contractor that built the dam. Many started working in factories, mostly in the so-called "Black Country" and in Bradford. In some villages of Mirpur, more than half of the people moved to the United Kingdom to settle in the industrial
Mangla Dam tailrace discharges into New Bong Canal, which has a length of 25,000 feet with discharge capacity of about 49,000 cusecs, and terminates at an automatic gate control headworks at about 12 km downstream located near old Bong Escape Headworks. There are ten vertical Francis type turbines in the power house. Each of these turbines has an output of 138,00 bhp with a rated head of 295 feet of water. The first four turbines were manufactured by Mitsubishi Electric, Japan and were installed in 1969, turbines 5 and 6 are manufactured by , Czech Republic and were installed in 1974, turbines