The correct answer is India. Important Points Organization of Islamic Cooperation (OIC): The Organisation of Islamic Cooperation (OIC) is the second largest intergovernmental organization after the United Nations with a membership of 57 states. It is the collective voice of the Muslim world. It strives to safeguard and protect the interests of the Muslim world in the spirit of fostering international peace and harmony among various people of the world. It was set upon a decision of the historical summit which took place in Rabat, Kingdom of Morocco on the 25th of September 1969. 2019 is the 50th anniversary of OIC under the Theme "50 Years of Islamic Cooperation: Road Map for Prosperity and Development." Headquarter: Jeddah, Saudi Arabia. Additional Information India and OIC: India is not a member of the OIC. However, India was invited as a guest of honour at 46th Session of the Council of Foreign Ministers held in Abu Dhabi. Sushma Swaraj will be the “guest of honour" at the inaugural plenary 46th meeting of OIC foreign ministers.