Section 326(c) in Chennai City Municipal Corporation Act, 1919
(c)'placard' means any screen of boards, the size of which is not exceeding eight feet in height and four feet in breadth, at any place, whether public or private, used or intended to be used for exhibiting any advertisement or any information in connection with marriage, religious ceremony, birth or death anniversary or meeting or conference of any political, religious or communal organization, designed and printed using electronic printing technology.]