Section 129(3) in The Mizoram Autonomous District Council (Constitution and Conduct of Business of the District Councils) Rules, 1974
(3)For the purposes of this rule a person shall be deemed to be permanently resident within the territorial limits of an Autonomous District if he has taken up his fixed or permanent habitation with his family or made his permanent home in that District and resided continually therein for a period of not less than ten years on the qualifying date. A person shall not be deemed to have taken up his fixed habitation in the district merely by by the reason of his having resided in connection with his civil or military service or in exercise of any profession or calling.