This document discusses sea and air logistics. It defines logistics as planning, implementing, and controlling the flow of goods, services, and information from origin to consumption according to customer needs. It describes key modes of transport including air, sea, road, rail, and pipelines. It provides details on air logistics such as items transported, international air cargo market trends in India, and future plans to invest in Indian airport infrastructure and cargo carriers. For sea logistics, it discusses liner conferences, tramp shipping, types of cargo shipments, and bills of lading. It also outlines major Indian ports and future investment plans for ports like Kolkata to improve infrastructure and capacity.