The correct answer is A. G-20.
The G-20 is an international forum for the governments and central bank governors of 20 major economies. It was established in 1999 following the Asian financial crisis to promote international financial stability. The G-20 members are Argentina, Australia, Brazil, Canada, China, France, Germany, India, Indonesia, Italy, Japan, Mexico, Russia, Saudi Arabia, South Africa, South Korea, Turkey, the United Kingdom, and the United States.
India is not a member of the G-20 because it is not considered to be a major economy. However, India has been invited to attend G-20 meetings as a guest since 2009.
The G-8 is an international forum for the governments of eight major industrialized countries. It was established in 1975 as the G-6, and expanded to the G-7 in 1976 with the addition of Canada. The G-8 members are Canada, France, Germany, Italy, Japan, Russia, the United Kingdom, and the United States.
India is not a member of the G-8 because it is not considered to be an industrialized country. However, India has been invited to attend G-8 summits as a guest since 2005.
SAARC is a regional intergovernmental organization of eight South Asian countries: Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, Sri Lanka, and Afghanistan. It was established in 1985 with the goal of promoting economic, social, cultural, technical, and scientific cooperation among its members.
India is a member of SAARC.
The UN is an international organization founded in 1945 after the Second World War by 51 countries committed to maintaining international peace and security, developing friendly relations among nations and promoting social progress, better living standards and human rights. Due to its unique international character, and the powers vested in its founding Charter, the Organization can take action on the issues confronting humanity in the 21st century, such as peace and security, climate change, sustainable development, human rights, disarmament, terrorism, humanitarian and health emergencies, gender equality, governance, food production, and more.
India is a founding member of the UN.