 In 1952 the creation of the Lushai Hills Autonomous District Council removed the last power of the local chieftains.The area became part of Mizoram when the Union Territory of Mizoram was created in 1972, and remained a part of it when the state was created in 1987.Originally part of Chhimtuipui District, the area that became Lawngtlai District was divided into four rural development blocks