North-East India that comprises of eight states today namely; Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Sikkim and Tripura is relevant both strategically as well as economically from the perspective of Indian foreign policy. The region shares territorial contiguity and cultural, ethnic, linguistic commonalities with South Asian neighbours- Bangladesh, Bhutan, Nepal in particular. The region shares 98% of its border with Bangladesh adjoining with Assam, Meghalaya, Mizoram and Tripura. Bhutan borders with Assam, Arunachal Pradesh and Sikkim. Nepal is adjoined to Sikkim. The north east India is one of the most ethnically and linguistically diverse regions in India. The region has a high concentration of tribal population. Each tribe has its own distinct tradition of art, culture, dance, music and life styles. The numerous fairs and festivals celebrated by these communities and their friendly nature are irresistible attractions for the visitors. This book covers most of the information on various geographical Development that are instrumental in the sustainable development of North East region. The book contains 10 chapters describing vital information on Rural Development, Social Movement, Economic Development, Political Development, Modernisation of Northeast India, Confict in the Northeast,Construction of ‘Naga Hills’, Understanding Ethnic Conflicts in Northeast India, Tribal Development in the North Eastern India.