Section 40A(1) in The M.P. Panchayat Nirvachan Niyam, 1995
(1)Notwithstanding anything contained in these rules, if it comes lo the notice of the Returning Officer at any time prior to the date of poll that the nomination of any candidate who, prima facie, does not belong to a Scheduled Caste, Scheduled Tribe or Other Backward Class, has been accepted for a seat which is reserved for Scheduled Castes, Scheduled Tribes or Other Backward Classes as the case may be, through oversight or want of objection or for any other reason, he shall forthwith issue a notice to such candidate, asking him to file an affidavit that he belongs to the category for which the seat is reserved.