The Northern-Eastern region of India, consisting of seven contiguous land-locked states (Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Tripura), commonly called Seven Sisters; contribute 7.75% of total land area and 3.72% of population (Census, 2001) of the country. They present a paradoxical picture of being poor in the midst of plenty. These states suffer due to the inherent problem of difficult terrain/variable topography and communication, ...