Section 123(3) in The Representation of the People Act, 1951
(3)The appeal by a candidate or his agent or by any other person with the consent of a candidates or his election agent to vote or refrain from voting for any person on the ground of his religion, race, caste, community or language or the use of, or appeal to religious symbols or the use of, or appeal to, national symbols, such as the national flag or the national emblem, for the furtherance of the prospects of the election of that candidate or for prejudicially affecting the election of any candidate:Provided that no symbol allotted under this Act to a candidate shall be deemed to be a religious symbol or a national symbol for the purposes of this clause.
