Hawking, begging, touting, etc., prohibited
21.  No person, while in or upon the railway premises shall, without the written permission of the Authority or its licensee —
(a)tout or solicit alms, rewards or employment of any description;
(b)sell or offer for sale any article or goods, or carry on any business; or
(c)display, exhibit or distribute any book or printed, written or pictorial matter or any such samples for the purpose of advertising or publicity.