Crown Prince Sultan Ibn Abdulaziz Al Saud, Deputy Premier, Minister of Defense and Aviation and Inspector General has expressed his thanks to the President of Islamic Development Bank Group (IDB) Dr. Ahmad Mohammed Ali after reviewing his letter on the conclusion of the 36th annual meeting of the Bank's Board of Governors held in Jeddah last month. In his cable, the Crown Prince said that whatever has been done by the Kingdom of Saudi Arabia in this field is a religious duty, wishing success for all governors.