<s>[INST] Article 171 of Indian Constitution [/INST] Composition of the Legislative Councils
(1) The total number of members in the Legislative Council of a State having such a Council shall not exceed one third of the total number of members in the Legislative Assembly of that State: Provided that the total number of members in the Legislative Council of a State shall in no case be less than forty
(2) Until Parliament by law otherwise provides, the composition of the Legislative Council of a State shall be as provided in clause ( 3 )
(3) Of the total number of members of the Legislative council of a State
(a) as nearly as may be, one third shall be elected by electorates consisting of members of municipalities, district boards and such other local authorities in the State as Parliament may by law specify;
(b) as nearly as may be, one twelfth shall be elected by electorates consisting of persons residing in the State who have been for at least three years graduates of any university in the territory of India or have been for at least three years in possession of qualifications prescribed by or under any law made by Parliament as equivalent to that of a graduate of any such university;
(c) as nearly as may be, one twelfth shall be elected by electorates consisting of persons who have been for at least three years engaged in teaching in such educational institutions within the State, not lower in standard than that of a secondary school, as may be prescribed by or under any law made by Parliament;
(d) as nearly as may be, one third shall be elected by the members of the Legislative Assembly of the State from amongst persons who are not members of the Assembly;
(e) the remainder shall be nominated by the Governor in accordance with the provisions of clause ( 5 )
(4) The members to be elected under sub clauses (a), (b) and (c) of clause ( 3 ) shall be chosen in such territorial constituencies as may be prescribed by or under any law made by Parliament, and the election under the said sub clauses and under sub clause (d) of the said clause shall be held in accordance with the system of proportional representation by means of the single transferable vote
(5) The members to be nominated by the Governor under sub clause (e) of clause ( 3 ) shall consist of persons having special knowledge or practical experience in respect of such matters as the following, namely: Literature, science, art, co operative movement and social service"
Article 172 of Indian Constitution,"Duration of State Legislatures
(1) Every Legislative Assembly of every State, unless sooner dissolved, shall continue for five years from the date appointed for its first meeting and no longer and the expiration of the said period of five years shall operate as a dissolution of the Assembly: Provided that the said period may, while a Proclamation of Emergency is in operation, be extended by Parliament by law for a period not exceeding one year at a time and not extending in any case beyond a period of six months after the Proclamation has ceased to operate"," </s>