Name the states of Northeast India.
Northeast India��(officially the��North Eastern Region��(NER)) is the easternmost region of��India��representing both a geographic and political��administrative division��of the country.��It comprises eight��states���Arunachal Pradesh,��Assam,��Manipur,��Meghalaya,��Mizoram,��Nagaland��and��Tripura��(commonly known as the "Seven Sisters"), and the "brother" state��Sikkim.
 The region shares an international border of 5,182 kilometres (3,220��mi) (about 99 percent of its total geographical boundary) with several neighbouring countries ��� 1,395 kilometres (867��mi) with��Tibet��in the north, 1,640 kilometres (1,020��mi) with��Myanmar��in the east, 1,596 kilometres (992��mi) with��Bangladesh��in the south-west, 97 kilometres (60��mi) with��Nepal��in the west, and 455 kilometres (283��mi) with��Bhutan��in the north-west.��It comprises an area of 262,230 square kilometres (101,250��sq��mi), almost 8 percent of that of India. The��Siliguri Corridor��connects the region to the rest of mainland India.
 The states of North Eastern Region are officially recognised under the��North Eastern Council��(NEC),��constituted in 1971 as the acting agency for the development of the north eastern states. Long after induction of NEC, Sikkim formed part of the North Eastern Region as the eighth state in 2002.��India's Look-East connectivity projects��connect Northeast India to East Asia and��ASEAN.��Guwahati��city in Assam is called the Gateway to the North East and is the largest metropolis in North East India.
Northeast India comprises eight��states���Arunachal Pradesh,��Assam,��Manipur,��Meghalaya,��Mizoram,��Nagaland,��Tripura, and Sikkim.