Section 135(1) in Sikkim Urban and Regional Planning and Development Act, 1998
(1)Where the Government is satisfied that the purpose for which any Authority was constituted under this Act has been substantially achieved so as to render the continued existence of such authority unnecessary, the Government may, by notification in the Official Gazette, declare that the Authority shall be dissolved and cease to exist with effect from such date as may be specified in the notification and the Authority shall be deemed to be dissolved and cease to exist accordingly.