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 Rai his father and uncle were residing and pursuing their professional careers. In Rangoon, Mangla started taking lessons in wrestling. In those days the great wrestler Shiv Murat Tiwari of Benaras was also practicing in an Akhara in Rangoon. He saw the physique of this young aspirant and began to train him. Shiv Murat Tiwari made Mangala a master of south-east Asian moves of wrestling. After a few years Mangla Rai came back to his motherland but he never forgot his first guru. He named his elder daughter 'Shiv Murat' paying gratitude to his guru. Mangla Rai followed a tough regimen