Section 135(2) in The Mizoram Autonomous District Council (Constitution and Conduct of Business of the District Councils) Rules, 1974
(2)If a candidate by whom or on whose behalf the deposit referred to in sub-rule (1) has been made withdraws his candidature or if the nomination of any such candidate is refused, the deposit should be returned to the candidate; and if any candidate dies before the commencement of the poll any such deposit shall be returned to his legal representative.