This chapter argues that sub-regional cooperation has the potential to promote growth in BCIM area. While China can provide the manufacturing inputs, India can provide the services, Bangladesh can provide cheap labour and Myanmar and Northeast India can provide natural resources. The mobilisation of these cross-border synergies is destined to make the BCIM as one of the economically vibrant zones that can transform the landlocked NER and Southwest China into land linked areas through the development of cross-border connectivity.