Doesnt matter how much they have contributed to pakistan, there are many backward and poor areas in pakistan whose population are not contributing to the country. Also it doesnt matter if Afghan refugees are not colouring their faces green and white. They should be granted pakistani nationality, just like mohajirs of india.
They can paint they face red and green and go back to Afghanistan. These vermins will side with India if they launch attack tommorw. Already they celebrate India win against pakistan in cricket. kharamkhors should be sent to India.