Dr. Yousef bin Ahmed Al-Othaimeen, Secretary General of the Organization of Islamic Cooperation (OIC), extended felicitations to the Islamic nation on the advent of Eid Al-Adh-ha, which falls tomorrow, it was reported here today. On the occasion, the Secretary General of OIC appealed to Allah the Almighty to accept the pilgrimage of pilgrims, reward them for it and return them safe to their beloved. He also forwarded his congratulations to the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud and His Royal Highness Prince Mohammed bin Salman bin Abdulaziz, the Crown Prince, Vice President of the Council of Ministers and Minister of Defense, on the blessed Eid, thanking the government of Saudi Arabia and its people for the service they offer to pilgrims to enable them perform Islam's fifth pillar in tranquility and comfort. Everybody is witness of the continuing giant developmental projects added every year in the sacred places for better serving the guests of Allah the Almighty, he added.