In which year was Arunachal Pradesh formally elevated to the status of a full-fledged Indian state under the State of Arunachal Pradesh Act?

💡 Solution & Explanation

Arunachal Pradesh attained full statehood on February 20, 1987, following the enactment of the State of Arunachal Pradesh Act, 1986, becoming the 24th state of the Indian Union. Prior to this, it was established as a Union Territory on January 21, 1972, when it was also renamed from NEFA. The year 1987 marked a critical constitutional milestone in integrating the frontier region into the federal democratic framework with its own Legislative Assembly and Governor. The state celebrates its Statehood Day annually on February 20.