Intro: PM Modi: no two countries in the world understand each other so well or share so much as India and Bhutan." Treaty of friendship 1949 that was revised in 2007 forms the basis of relationship of the two nations. Importance- India’s most successful bilateral relationship Chumbi valley Buffer state Contain insurgency in NE Boycotted BRI Cooperation: India is Bhutan’s largest trading partner Recently Modi inaugurated the mangadechhu project of 700MW , Kholongchu 600MW joint venture of India and Bhutan India launched use of Rupay card in Bhutan to improve people to people contacts Acc to UN convention, landlocked countries to be given only 2 ports of access, India has given unlimited access to all ports. India’s continuous contribution in Bhutan's five year plans. India is Bhutan's largest trading partner India’s assistance to Bhutan during Doklam crisis shows India's seriousness for Bhutan's sovereignty. India has proposed to build a road in Bhutan ’s ‘ Yeti te...