To establish identity of the authorised vendors in trains, issuance of QR code-enabled identity cards in the name of individual vendors/helpers/staff deployed for managing onboard catering services ...

QR codes have become an everyday occurrence for a lot of things we encounter, but multiple federal agencies are urging ...

Abstract: In the past twenty years, there have been significant improvements in internet technology, leading to new services accessed through various web-based portals and applications. Mobile ...