Barriers which can restrict importation or exportation of goods and/ or make importation or exportation of goods costly, and are generally not affected by tariff regulations- such barriers typically gets covered under non tariff barriers. These barriers arise from various trade situations and conditions created or imposed by the governments. Some such situations or conditions to name are product technical requirements, import license, exportlicense, complex regulatory procedures, buy national policies, quotas and subsidies.Exporters and importers might find difficult to adjust in a trade environment which debars them from exporting and importing freely. However, in most of the cases, it should beconvenient to create a neutral or a satisfactory situation.