Correct option is C
The G-15 is an economic grouping of developing or Third World nations. It was established in 1989 during the 9th Non-Aligned Movement (NAM) Summit in Belgrade, Yugoslavia. The group was initially comprised of 15 developing countries, aimed at fostering cooperation and providing input for broader international negotiations within the frameworks of the United Nations and other global forums. The primary objective of the G-15 is to promote economic cooperation and development among its member nations, especially in areas such as trade, investment, and technology transfer. Although the group initially started with 15 members, it has since expanded, but the name "G-15" has been retained for historical reasons.