Prime Minister Imran Khan on Monday said the State of Medina was a civilized model of governance that needed to be implemented in Pakistan and announced to set up chairs at the country's leading universities for in-depth study of the subject. Addressing at an event to mark Minority Day, the prime minister said PhD degree research would be conducted on the world's first welfare State of Medina, which embodied principles of rule of law, justice, peace and equality for all regardless of race, religion and gender.