Explanation:

 North Eastern Council (NEC) was constituted as a statutory advisory body under the NEC Act 1971 and came into being on the 7th November, 1972 at Shillong. The eight States of Northeast India viz. Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Tripura and Sikkim, are members of the council, with their respective Chief Ministers and Governors representing them. Sikkim was added to the council in the year 2002. The headquarters of the council is situated in Shillong and functions under the ministry of home affairs of the Government of India.