 Ambassador Chohan has participated in several conferences, seminars, symposia and meetings of the international and regional organisations, including the 40th, 41st and 42nd sessions of the UN General Assembly, UNESCO Executive Council and General Conference, UNFPA, UNDP, NAM, and the summits and Foreign Ministers' meetings of the Organisation of Islamic Conference (OIC) and the Economic Cooperation Organization (ECO).Between 2004 and 2006, he oversaw the training of new entrants to the Foreign Service of Pakistan in his capacity as Director General, Foreign Service Academy at Islamabad, Pakistan.Ambassador Chohan authored "Ghungroo" (2017), a fictional biographic novel set in 20th century Lahore, and published a collection of his poems entitled "Barricaded Self", (2007).