The First Meeting of the BIMSTEC National Security Chiefs held in New Delhi, India on 21 March 2017 emphasised the importance of maritime security in view of the overwhelming significance of the Bay of Bengal for the well-being, prosperity, security and socio-economic development in the BIMSTEC Member States.
The First Meeting of the BIMSTEC Expert Group on Maritime Security Cooperation held in New Delhi, India on 06 September 2022 finalized the Concept Paper on Maritime Cooperation in the Bay of Bengal and measures to enlarge cooperation in the realm through five identified focus areas viz. Maritime Domain Awareness (MDA), Humanitarian Assistance and Disaster Relief (HADR), Oil Pollution Response, Blue Economy and Maritime Security Cooperation.
The Second Meeting of the Expert Group on Maritime Security Cooperation held in New Delhi, India on 12 October 2023 discussed and updated the Draft BIMSTEC Guiding Principles: Conduct by BIMSTEC Maritime Law Enforcement Agencies (MLEAs) during interaction at sea with the objective to provide a reference point and guidance for Maritime Law Enforcement Agencies during encounters at sea. The Meeting also discussed and updated Draft BIMSTEC Guidelines for Maritime Component of Humanitarian Assistance and Disaster Relief (HADR), which will provide a framework for HADR operations in the maritime domain, in response to natural disasters in the Bay of Bengal region, and also to serve the purpose of developing a common understanding of HADR operations.
# List of Meetings of EG-MSC held so far:
| Meeting | Venue | Date |
| 2nd EG-MSC | New Delhi, India | 12 October 2023 |
| 1st EG-MSC | New Delhi, India | 06 September 2022 |