Nisarga Adhikary, among those at the centre of the controversy surrounding the CBSE's On-Screen Marking system, tells The Telegraph Online that he was able to obtain what cybersecurity experts describe as ‘write access’ to the portal Arnab Chatterjee Published 02.06.26, 10:42 PM National Students' Union of India (NSUI) members stage a protest over the CBSE's OSM (On-Screen Marking) system, in New Delhi, Thursday, May 28, 2026.