On August 30-31, 2018, the 4th Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) Summit was held for 2 days in Kathmandu, Nepal. Nepal is the current chair of the BIMSTEC. The theme of the 4th meeting was : Towards a Peaceful, Prosperous and Sustainable Bay of Bengal Region . The Nepalese Prime Minister handed over the chairmanship of BIMSTEC to the President of Sri Lanka Maithripala Sirisena.