ESTABLISHMENT OF THE STATES OF MANIPUR AND TRIPURA AND FORMATION OF THE STATE OF MEGHALAYA AND OF THE UNION TERRITORIES OF MIZORAM AND ARUNACHAL PRADESH
Section 6: Formation of the Union territory of Mizoram.
On and from the appointed day there shall be formed a new Union territory, to be known as the Union territory of Mizoram, comprising the territories which immediately before that day were comprised in the Mizo District in the existing State of Assam and thereupon the said territories shall cease to form part of the existing State of Assam.