(1) A detailed development plan approved under section 29 may, at any time, be varied or revoked by a subsequent plan prepared and approved under this Act.
(2) The provisions of sections 27, 29 and 31 with such modifications as may be necessary shall apply to such subsequent plan referred to under sub-section (1).
(3) The Government may, at any time, by notification in the Tamil Nadu Government Gazette, vary or revoke the detailed development plan prepared and approved under this Act.