CHIEF OF NAVAL STAFF ADMIRAL ZAFAR MAHMOOD ABBASI PAYS A FAREWELL CALL ON PRIME MINISTER IMRAN KHAN AT ISLAMABAD ON OCTOBER 05, 2020. ISLAMABAD: Chief of Naval Staff Admiral Zafar Mahmood Abbasi paid a farewell call on Prime Minister Imran Khan here on Monday. The Prime Minister appreciated the services of Admiral Zafar Mahmood Abbasi for Pakistan Navy and wished him well, the PM Office said.