The correct answer is option 1, Mumbai. Mumbai, also known as the Port of Mumbai, is the busiest international seaport in India. It is situated on the west coast of India and serves as a major gateway for trade and commerce. The port handles a significant amount of cargo, including both import and export shipments. Mumbai port has modern infrastructure and facilities that contribute to its efficient operations. It has multiple terminals for handling different types of cargo, such as container terminals for container ships and bulk terminals for bulk commodities. Overall, Mumbai port plays a vital role in facilitating international trade and economic growth in India.