Assam also, rarely, Assam Valley and formerly the Assam Province (British India), is a northeastern state of India
North-East India
Northeast India refers to the easternmost region of India consisting of the contiguous Seven Sister States, Sikkim, and parts of North Bengal...

 and is one of the most culturally and geographically distinct regions of the country. Assam though one of the original provinces of British ruled Indian sub-continent and present day India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 having its legislature that dates back to 1937, the present day Assam; had undergone numerous territory alignment changes with its state map being altered highest number of times when compared to any other provincial level changes that has happened in Independent India.