The correct answer is option 4: India. Out of the given options, India is not a member of ASEAN (Association of Southeast Asian Nations). ASEAN is a regional intergovernmental organization that promotes economic, political, and social integration among its member countries.
Option 1: Brunei Darussalam is a member of ASEAN. It is a sovereign state located on the north coast of the island of Borneo.
Option 2: Cambodia is a member of ASEAN. It is a country located in the southern part of the Indochina Peninsula in Southeast Asia.
Option 3: Vietnam is a member of ASEAN. It is a country located in the eastern part of the Indochina Peninsula.
Alert - correct answer should be:
Option 4: India is not a member of ASEAN. It is a country located in South Asia, but it is not a part of the Southeast Asian region covered by ASEAN. India does have diplomatic relations with ASEAN and participates in ASEAN-related meetings, but it is not a formal member.