Section 33(2) in The Representation of the People Act, 1951
(2)In a constituency where any seat is reserved, a candidate shall not be deemed to be qualified to be chosen to fill that seat unless his nomination paper contains a declaration by him specifying the particular caste or tribe of which he is a member and the area in relation to which that caste or tribe is a Scheduled Caste or, as the case may be, a Scheduled Tribe of the State.
