Section 70(1) in The Tamil Nadu Town Panchayats, Third Grade Municipalities, Municipalities and Corporations (Elections) Rules, 2006
(1)If the Presiding Officer is satisfied that owing to old age or blindness or other physical infirmities an elector is unable to recognise the symbol on the balloting unit of the voting machine or unable to record his vote by pressing the appropriate button thereon without assistance, the Presiding Officer shall permit the elector to take with him a companion of not less than eighteen years of age to the voting compartment for recording the vote on his behalf and in accordance with his wishes:Provided that no person shall be permitted to act as the companion of more than one elector at any polling station on the same day:Provided further that before any person is permitted to act as the companion of an elector on any day under these rules, the companion shall be required to declare that he shall keep secrecy of the vote recorded by him on behalf of the elector and that he has not already acted as the companion of any other elector at any other polling station on that day.
