Explanation:

Third option is correct.

The Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) is an international organization of seven nations of South Asia and South East Asia, housing 1.5 billion people and having a combined gross domestic product of $2.5 trillion (2014).

The BIMSTEC member states—Bangladesh, India, Myanmar, Sri Lanka, Thailand, Bhutan, and Nepal—are among the countries dependent on the Bay of Bengal.