ISLAMABAD, Feb 3 (APP): Minister for Commerce, Engineer Khurram Dastgir has said that trade infrastructure on Pakistan-Iran border was being upgraded in a bid to boost bilateral trade ties. “After lifting of international sanctions on Iran, good progress in trade relations with Iran is going on”, the minister said adding, in this connection a third trade synonymsding border post with Iran has also been made functional which would help increasing the local trade activities.