AlQa'dah 14, 1434, Sep 20, 2013, SPA -- The Secretary General of the Organization of Islamic Cooperation (OIC), Professor Ekmeleddin Ihsanoglu, has congratulated the Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud; the Crown Prince; the Second Deputy Premier; the Royal Family and the Saudi people, on the 83rd anniversary of the Kingdom's National Day. He pointed out in a statement to Saudi Press Agency (SPA) that the 83rd anniversary of the National Day of the Kingdom of Saudi Arabia comes while the Kingdom witnesses a boom of great achievements, consolidation, construction, giant projects and economic growth under the wise leadership of the Government of the Custodian of the Two Holy Mosques, contributing to the support of unity of Muslims and Islamic action.