Section 52(6)(b) in Tamil Nadu Co-operative Societies Rules, 1988
(b)The election notice shall be sent at least fifteen days prior to the date of the poll by one or more of the following modes, namely:- '(i)by giving or tendering it to such member and if he is not found, by giving or tendering it to some adult member of Iris family under iris acknowledgement; or(ii)by e-post; or(iii)by publication in one or more local newspapers having circulation in the area of operation of the society and approved by the Government for the issue of Government advertisements: