সঠিক উত্তর হচ্ছে: ইসলামী বাণিজ্য উন্নয়ন কেন্দ্র
ব্যাখ্যা: Subsidiary organizations of OIC :\nThe Statistical, Economic and Social Research and Training Centre for Islamic Countries, in Ankara, Turkey\nThe Research Centre for Islamic History, Art and Culture (IRCICA), located in Istanbul, Turkey\nThe Islamic University of Technology, located in Dhaka, Bangladesh\nThe Islamic Centre for the Development of Trade, located in Casablanca, Morocco\nThe Islamic Fiqh Academy, located in Jeddah, Saudi Arabia\nThe Islamsate Islamic Network, located at Riyadh, Saudi Arabia\nThe Executive Bureau of the Islamic Solidarity Fund and its Waqf, located in Jeddah, Saudi Arabia\nThe Islamic University in Niger, located in Say, Niger.\nThe Islamic University in Uganda, located in Mbale, Uganda.\nThe Tabriz Islamic Arts University, located in Tabriz, Iran.\n\n[source- oic.org]