Section 10A(2) in The Liquefied Petroleum Gas (Regulation of Supply and Distribution) Order, 1993
(2)Every parallel marketer announcing details of his activity or inviting offers of any kind in the field of import, transport, marketing, bottling, distribution or sale of liquefied petroleum gas, either in a newspaper, handout, pamphlet, leaflet or by any other means of communication or advertising shall indicate the rating awarded to him, and prominently publish the rating certificate, as given by the rating agency.