Backpack Advertising Mumbai Gantries are billboards or hoardings that span important roads making them visible over big distances to thousands of motorists in the course of the day. Flyover panels are hoardings on flyovers. Both formats are big in size, extremely visible and sited in prominent locations that offer great opportunities for advertising your brand message. Global owns several gantries and flyover panels in India and has access to the media across India through their associates of 18 years. Think big, advertise big. Try advertising on gantries and flyover panels for best results.