A senior official from Tasmac, told media , that the hologram labels will have QR Code of a minimum size of 8mm x 8mm printed at minimum 600 DPI resolution on both ends, which could be easily readable through mobile phone, 2D bar code scanner and hand-held devices.   While the Commissionerate of Prohibition and … Continue reading Tamilnadu Government Tasmac to have 3D hologram, QR code to check illegal sale