Section 22(2)(iv) in The Tamil Nadu Town Panchayats, Third Grade Municipalities, Municipalities and Corporations (Elections) Rules, 2006
(iv)the hour and date up to which the withdrawal of candidatures can be made, which shall be 3.00 p.m. on the second day after the date for the scrutiny of nominations or, if that day is a public holiday, the next succeeding day which is not a public holiday;