Northeast India (officially 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, Tripura and Sikkim. The Siliguri Corridor in West Bengal, with a width of 21 to 40 kilometres, connects the North Eastern Region with East India. The region shares an international border of 5,182 kilometres (about 99 percent of its total geographical boundary) with the neighbouring countries – 1,395 kilometres with Tibet Autonomous Region, China in the north, 1,640 kilometres with Myanmar in the east, 1,596 kilometres with Bangladesh in the south-west, 97 kilometres with Nepal in the west and 455 kilometres 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, and is one of the largest salients (panhandles) in the world.
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.India’s Look-East connectivity projects connect Northeast India to China and ASEAN.

Northeast India (officially 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, Sikkim, and Tripura. The Siliguri Corridor in West Bengal, with a width of 21 to 40 kilometres (13 to 25 mi), connects the North Eastern Region with East India. The region shares an international border of 5,182 kilometres (3,220 mi) (about 99 percent of its total geographical boundary) with the neighbouring countries – 1,395 kilometres (867 mi) with Tibet Autonomous Region, China 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, and is one of the largest salients (panhandles) in the world.
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 China and ASEAN.

Long after induction of NEC, Sikkim formed part of the North Eastern Region as the eighth state in 2002.