Prince Naif bin Abdulaziz , the Minister of Interior, received yesterday a certificate of Honorary Doctorate in the field of the service of Sunnah (the Prophet's teachings) and its Sciences. The honorary doctorate for Prince Naif was approved by the Council of Imam Mohammed bin Saud Islamic University in recognition of his efforts in the service of the Prophet's Sunnah. The Certificate was delivered to Prince Naif by Imam Mohammed bin Saud Islamic University's Director Dr Sulaiman Abal-Khail when Prince Naif was patronizing the opening session of first Forum on the Islamic Call Studies, organized by The Saudi Society for Islamic Call Studies. Prince Naif patronized the forum on behalf of Crown Prince Sultan bin Abdul-Aziz , The deputy Premier, Minister of Defense and Aviation and Inspector General, and who is also the Chairman of the Supreme Islamic Affairs Council.