Since the North East India consists of States and each State is enriched with its unique cultural heritage an attempt is made in the publication to enlist its valued past, historical edifices, ethic tradition, social, political, cultural and religious beliefs. There are a number of discoveries made in the archaeological investigations recently which have been incorporated in the book. Besides, significant restoration and conservation works revealing hidden runis of the historical monuments of A.S.I. and State Archaeology Departments of respective State have been enlisted. Most of the present states were earlier part of Undivided Assam. Therefore, an academic endeavour is made here to delve in the their cultural history separately. Demarcation of new boundaries made the people of these States more conscious of their valued past and it was a matter of pride for these people to eulogise their rich cultural heritage which is no way diminutive from any other region of pan India at all. Needless to say that archaeology of North East India is very important as the regious adjoins with South and South East Asian counties including Bangladesh, Myanmar, Bhutan China and Thailand. Migration of people or diffusion of cultures from these countries in prehistoric times and later can not be ruled out its impact has led the emergence of specific traits prevailing in the region found to be unknow in the other parts of the country.