'Never Gonna Give You Up': CBSE Class 12 Maths paper QR code leads to Rick Astley song, 'rickrolls' students. Board responds

Students who appeared for the CBSE Class 12 Mathematics paper claimed that when they scanned the QR Code on the question paper, it redirected them to a viral video of British singer Rick Astley’s ‘Never Gonna Give You Up’. This is widely known on the internet as the "Rickroll" meme. CBSE has issued a clarification and said that the security of the question papers remain uncompromised.