The Representation of the People Act,1951
Section 156. Term of office or members or state Legislative Councils
(1) The term of office of a member of the Legislative Council of a State, other than a member chosen to fill a casual vacancy, shall be six years, but upon the first constitution of the Council the Governor 1[***] shall, after consultation with the Election Commission make by order such provision as he thinks lit for curtaining the term of office of some of the members then chosen in order that, as nearly as may be, one-third of the members holding seats of each class shall retire in every second year thereafter..
(2) A member chosen to fill a casual vacancy shall be chosen to serve for the remainder of his predecessors term of office.
1. The words “or the Rajpramukh, as the case may be” omitted by the Adaptation of Laws (No. 2) Order,1056.