Bajaj Holographics [India] Pvt. Ltd. Offers Sheet Form Security Hologram. Bajaj Holographics [India] Pvt. Ltd. Is an ISO 9001:2000 certified company. The Sheet Form Security Holograms are supplied in sheet form suitable for manual application. Each Sheet is serially numbered for proper accountability of the holograms. There is no gap required between two holograms for square hologram with sharp edge corners, but a gap of 3 mm is required for circular and rounded corner holograms. The Sheet Form Security Holograms are recommended for brand protection, document protection, brand promotion, aesthetic look, etc.