Tripura, Manipur, and Meghalaya will celebrate their Foundation Day on 21 January 2026, marking 54 years since becoming full-fledged states under the North Eastern Areas Reorganisation Act, 1971.

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• Tripura, Manipur, and Meghalaya attained full statehood on 21 January 1972, transforming from Union Territories or Assam region.
• Statehood granted political autonomy, legislative powers, administrative control, and recognition of distinct cultures and languages.
• Tripura, ruled by Manikya dynasty, merged with India in 1949 and became a state in 1972, known for tribal heritage.
• Manipur, a princely state merged in 1949, became the 19th Indian state in 1972, famous for classical dance and handlooms.
• Meghalaya, formerly part of Assam, achieved autonomy in 1970 and full statehood in 1972, celebrated for scenic landscapes and matrilineal society.
• The North Eastern Areas Reorganisation Act, 1971 reorganised Assam, created these states, and formed Mizoram and Arunachal Pradesh as Union Territories.
• Foundation Day celebrates democratic empowerment, balanced regional development, and preservation of northeastern cultural identities.
• The day serves as a reminder of India’s commitment to integration, regional representation, and administrative efficiency in the Northeast.