The correct option is A India
India hosted the first military exercise of the BIMSTEC (Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation) group focusing on counter-terrorism in Pune on September 2018. The purpose of the exercise was to promote strategic alignment among the member-states and to share best practices in the area of counter-terrorism. BIMSTEC was set up in 1997 and includes India, Bangladesh, Bhutan Myanmar, Nepal, Sri Lanka, and Thailand.