President PML-N,Nawaz Sharif Saturday urged religious parties to perform positive role in the political affairs of the country for the welfare of the nation. He said this while talking to a delegation of the Sunni Tehreek headed by Sarwat Ejaz Qadri in Raiwind to discuss political affairs of the country. Sarwat Ejaz Qadri said that his party has now become a political one and they would work align with other political forces of the country.