Interdependence between the economies of the world has increased multifold. External sector in the economy has gained primeimportance. Both exports and imports contribute to the production process. Both of these are effective instruments in raising the income levels of the people in a developing economy. Apart from flow of goods, increasing flow of services and capital between the nations give rise to payments and receipts in foreign exchange which, in turn, influence the Balance of Payment's position. In this unit, we shall examine foreign trade and Balance of Payments, trade policy and various policy measures for rapid growth of exports. Let us begin with explaining the relationship between foreign trade and economic growth.