President Asif Ali Zardari Friday called on Joint Chiefs of Staff Committee and military chiefs at President House and discussed professional issues of military. The president called on CJOSC General Khalid Shamim Wynne, Chief of Army Staff General Ashfaq Pervez Kayani, Naval Chief Asif Sandila and Air Force Chief Rao Qamar Suleman after a ceremony in which the Naval Chief was conferred Nishan-e-Imtiaz Military.