Section 2(1)(b) in The Representation of the People Act, 1951
(b)“appropriate authority” means, in relation to an election to the House of the People or the Council of States, the Central Government, and in relation to an election to the Legislative Assembly or the Legislative Council of a State, the State Government;(bb)“chief electoral officer” means the officer appointed under section 13A of the Representation of the People Act, 1950 (43 of 1950);