The book unfolds the geopolitical history, the changing social and political boundaries, the dynamics of social and cultural changes, and the psychological trauma of the multi-ethnic groups inhabiting the Himalayan kingdoms and the Northeastern regions of India during the mid-1960s, when complete disarray and instability prevailed in this mountainous region, and political map of the territory was being redefined. Every information furnished in the book becomes a must read for anthropologists, sociologists, psychologists, historio-graphers, social geographers, and policy makers and planners.