Economic Integration is increasingly felt as an important instrument for better allocation of resources, greater volume of trade and for mutual benefits to the countries involved in such process of unification. ASEAN and SAARC are the two important regional trade blocks in developing Asia. Regional economic integration in terms of trade and investment among the member countries provides a logical response to their common problems of poverty and economic backwardness. Question may arise as to how and to what extent member countries have integrated them in respect of foreign polices and how far...