CBSE 12th Maths Paper row: CBSE said that multiple security features are embedded in question papers, including QR codes that allow authorities to verify the authenticity of the paper in case of a suspected security breach. CBSE 12th Maths Paper row: CBSE said that multiple security features are embedded in question papers, including QR codes that allow authorities to verify the authenticity of the paper in case of a suspected security breach.
