Section 2(4) in West Bengal Municipal (Building) Rules, 2007
(4)"advertising sign" means any surface of a structure with characters, letters, illustrations or illuminations applied thereto and displayed in any manner whatsoever to public view for the purposes of advertising or giving information regarding, or for attracting the notice of the public to, any place, person, public performance, article or merchandise whatsoever, and which surface or structure is attached to, forms part of, or is connected with, any land/or building, or is fixed to a wall, hoarding, frame, post, kiosk, structure, ground or fence, or is displayed in space or on screen;
