The document outlines import and export procedures in India. It discusses how goods can enter or leave India via sea, air or land, and that procedures vary by mode of transport. It also describes how customs work has been increasingly computerized at major ports and airports. Importers must submit a Bill of Entry and import manifest, while the person in charge of a vessel, aircraft or vehicle must declare goods being brought into the country and ensure cargo is only unloaded with customs permission. The document provides definitions of key terms and specifies various requirements and procedures that must be followed for importing or exporting goods through Indian customs.