Caretaker Adviser to Prime Minister on Aviation, Air Marshal (Retd) Farhat Hussain Khan speaking at the inaugural ceremony of Pakistan’s Serene Airline operations at Daxing Airport BEIJING: November 19 - Caretaker Adviser to Prime Minister on Aviation, Air Marshal (Retd) Farhat Hussain Khan speaking at the inaugural ceremony of Pakistan’s Serene Airline operations at Daxing Airport. APP APP06-191123BEIJING