How QR codes helped authorities detect moles during WB class X board exams

Officials suspect that a specific gang was working behind this and were just using the students. Specific WhatsApp groups were created by the gangs | Kolkata News

Related Keywords

Kolkata ,West Bengal ,India , ,Unique Quick Response ,West Bengal Board ,Secondary Education ,West Bengal Madhyamik ,Representative Photo ,Wbbse ,West Bengal Board Of Secondary Education ,Qr Code ,Madhyamik ,Classx Exam ,