Three teenagers, Vedant Shrivastava, Sarthak Sidhant and Nisarga Adhikary, became whistleblowers in the controversy over CBSE’s Class 12 On-Screen Marking system. One found that CBSE had sent him the wrong answer sheet, another investigated the tender process behind the OSM platform, and a third claimed to have found cybersecurity flaws in the marking portal. Their separate findings came together to raise larger questions about transparency, accountability and trust in India’s digital exam systems. TOI reporters interviewed the students to understand how they worked to raise critical questions for the CBSE