Section 109(1) in The Tamil Nadu Town Panchayats, Third Grade Municipalities, Municipalities and Corporations (Elections) Rules, 2006
(1)If, owing to illiteracy or blindness or other physical infirmity, a member is unable to read the ballot paper and make a mark thereon and applies for assistance in doing so, the Returning Officer shall record the vote or votes in the ballot paper in accordance with the wishes of the member and fold it so as to conceal the vote. The member shall then himself or with the assistance of the Returning Officer insert the ballot paper into the ballot, box.