How to fill Casual vacancies in the State Legislative Councils? Section 151 of Representation of the People Act, 1951
When before the expiration of the term of office of a member elected to the Legislative Council of a State, his seat becomes vacant or is declared vacant or his election to the Legislative Council is declared void, the Election Commission shall, by a notification in the Official Gazette, call upon the Council constituency concerned or the members of the Legislative Assembly of the State, as the case may be, to elect a person for the purpose of filling the vacancy so caused, before such date as may be specified in the notification, and the provisions of this Act and of the rules and orders made thereunder shall apply, as far as may be, in relation to the election of a member to fill such vacancy.
The Representation of the People Act 1951
Section 151 Casual vacancies in the State Legislative Councils
Section 151A Time limit for filling vacancies referred to in sections 147, 149, 150 and 151
Section 153 Extension of time for completion of election
Section 154 Term of office of members of the Council of States
Section 155 Commencement of the term of office of members of the Council of States
Section 156 Term of office of members of State Legislative Councils
Section 157 Commencement of the term of office of members of the Legislative Councils
Section 158 Return of forfeiture of candidate's deposit
Section 159 Staff of certain authorities to be made available for election work
Section 160 Requisitioning of premises, vehicles, etc., for election purposes