Japan is not a member of ASEAN. ASEAN is a regional organization comprising ten Southeast Asian countries: Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand, and Vietnam.

The India-ASEAN Summit is an annual summit between India and ASEAN leaders. It is held to discuss and strengthen cooperation between India and ASEAN in various areas, including trade, investment, security, and cultural exchanges.

The "Look East" policy was first proposed by Indian Prime Minister Narasimha Rao in 1991. The policy aimed to strengthen India's relations with Southeast Asian countries and promote economic cooperation between India and the region.

The India-ASEAN Free Trade Agreement (IAFTA) is a free trade agreement between India and ASEAN. It was signed in 2009 and came into effect in 2010. The agreement covers trade in goods, services, and investment.

Mizoram has the longest border with Myanmar, stretching approximately 510 kilometers.

Arunachal Pradesh has the longest border with Thailand, stretching approximately 1,000 kilometers.

Manipur has the longest border with Laos, stretching approximately 398 kilometers.

Mizoram has the longest border with Cambodia, stretching approximately 193 kilometers.

Mizoram has the longest border with Vietnam, stretching approximately 404 kilometers.

Mizoram has the longest border with Malaysia, stretching approximately 318 kilometers.

Andaman and Nicobar Islands has the longest border with Indonesia, stretching approximately 1,930 kilometers.

Andaman and Nicobar Islands has the longest border with Singapore, stretching approximately 1,060 kilometers.

Andaman and Nicobar Islands has the longest border with Brunei, stretching approximately 1,280 kilometers.

Andaman and Nicobar Islands has the longest border with the Philippines, stretching approximately 1,420 kilometers.

Andaman and Nicobar Islands has the longest border with Timor-Leste, stretching approximately 1,600 kilometers.