It was, by any measure, a remarkable day for a 17-year-old. Sarthak Sidhant began it as a student-blogger from Ranchi, Jharkhand, who had gained attention after investigating the board that administered his exams. By Tuesday night he had deposed before a parliamentary committee, watched the government move against the CBSE’s top brass, and received solidarity from the Leader of the Opposition. Sarthak Sidhant’s blog on CBSE tendering system went viral; on Tuesday he was in Delhi for some high-profile meetings. (ANI/X) That last came when Congress MP Rahul Gandhi met Sarthak Sidhant and his family members, and posted on X: “Sarthak, stay firm on your principles (‘sidhant’),” tagging it #TenderInvestigator — a nod to the teenager’s trawl through tender documents. It was the second exam whistleblower Gandhi had backed in three days, after meeting Vedant Shrivastava, who was sent the wrong answer sheet by CBSE. Meeting with Standing Committee, then action Hours earlier, the government had acted on the CBSE scandal. Board chairman Rahul Singh and secretary Himanshu Gupta were transferred amid mounting scrutiny of …