We live in the world today that is increasingly becoming more interlinked and interdependent among each other resulting in complex and dynamic socio-political situations. In such context, any development strategies and policies of one country can have both a direct and indirect impact not only upon its neighboring countries, but also the sub-region or the whole region where that country is located. Due to the intense connectedness, a concept of collaboration has gained much attention in field of international relations and politics as well ...