151. (1) Every Legislative Assembly of every State, unless sooner dissolved, shall continue for five years from the date appointed for its first meeting and the expiration of the said period of five years shall operate as a dissolution of the Assembly.
(2) The Legislative Council of a State shall not be subject to dissolution, but as nearly as may be one-third of the members thereof shall retire as soon as may be on the expiration of every third year in accordance with the provisions made in that behalf by the Legislature of the State by law.