A format of bilateral talks in which the foreign and defence ministers of two countries meet their counterparts together, combining diplomatic and strategic-defence dimensions in a single high-level dialogue.
The 2+2 format and India's partners in it (notably the US) are frequently asked current-affairs and international-relations items; linking it to the foundational defence agreements adds depth.
"Two-plus-two" is about the two ministers (foreign and defence) on each side, not about the number of countries. The US foundational pacts (LEMOA, COMCASA, BECA) are enabling agreements, not basing or alliance treaties.
Joint foreign-plus-defence ministers' dialogue; India's first 2+2 was with the United States in 2018.
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