A controversy surrounding the Central Board of Secondary Education’s (CBSE) On-Screen Marking (OSM) system for Class 12 board examinations has triggered a nationwide debate over the reliability of digital evaluation. The issue emerged after students reported alleged answer-sheet mismatches, blurred scans, missing pages, evaluation discrepancies and unexpectedly low scores following the declaration of results.
Students and parents sought greater transparency and verification, while CBSE rejected claims of widespread irregularities, describing several reports as “factually incorrect”. However, the board later acknowledged a limited number of answer-sheet mix-ups and technical issues during implementation. The Ministry of Education has since stepped in and the episode has sparked wider discussions about accountability, technology and trust in India’s examination system.
A Reform Designed To Modernise Evaluation
CBSE introduced the On-Screen Marking (OSM) system as part of its efforts to modernise board examination evaluation. Under the system, physical answer books are scanned and converted into digital copies, which are then assessed by examiners on a secure online platform.
The board said the move would improve efficiency, ensure greater uniformity in marking, reduce human error and speed up result processing. However, soon after the Class 12 results were declared, concerns began surfacing about the implementation of the system.
Student Complaints Spark A National Debate
The controversy gained momentum when several students who obtained copies of their answer sheets during the verification process claimed that the scanned versions did not match what they had written in the examination.
One student’s allegation that another candidate’s answer sheet had been linked to his roll number went viral on social media, prompting similar complaints from students across the country. Many demanded independent verification of physical answer books, audits of the scanning process and greater transparency regarding how answer sheets were digitised and allocated for evaluation. For many students, the issue raised concerns about whether errors during scanning or data mapping may have affected their final scores.
Concerns Over Scans, Missing Pages And Marking
As more students accessed their answer sheets, additional issues emerged. Some candidates claimed that parts of their scanned answer books appeared blurred or difficult to read. Others reported missing pages in the copies they received, raising fears that evaluators may not have assessed all responses.
Students from subjects involving numerical calculations also argued that step-wise workings had not received marks despite being included in their answers. Many high-performing students questioned unexpectedly low scores and sought explanations through the verification process. While not all complaints were identical, they collectively fuelled concerns about whether technical glitches or procedural lapses may have affected the evaluation process.
CBSE Defends The OSM System
Responding to the allegations, CBSE strongly defended the On-Screen Marking system and rejected reports suggesting widespread failures. The board stated that scanning, verification and evaluation were conducted under established procedures and multiple quality-control checks. It described several allegations circulating online as misleading and factually incorrect.
CBSE maintained that the digital evaluation framework had been carefully planned and implemented to improve transparency and efficiency. Officials argued that isolated complaints should not be viewed as evidence of a systemic breakdown.
Limited Errors Acknowledged
Despite defending the overall system, CBSE later acknowledged that certain implementation issues had occurred. Reports citing government sources indicated that around 20 answer-sheet mix-up cases had been detected during the initial rollout of OSM. It was also reported that more than 13,000 answer books had to be evaluated manually because scanning-related problems prevented them from being processed digitally.
This acknowledgement changed the nature of the debate. For many students and parents, it suggested that at least some concerns were valid and warranted closer examination. Others argued that the relatively small number of identified errors, compared with the millions of answer sheets processed, demonstrated that safeguards were functioning as intended.
Ministry Of Education Steps In
The controversy eventually drew the attention of the Ministry of Education. Education Minister Dharmendra Pradhan acknowledged that discrepancies had emerged during the implementation of the OSM system and assured students that genuine concerns would be addressed. He stated that technical experts and CBSE officials were reviewing complaints and that corrective measures would be taken wherever necessary. His intervention signalled that the matter had become a significant public issue requiring official oversight and review.
Cybersecurity Questions Add To Concerns
The debate expanded further when online discussions raised questions about the security of CBSE-linked digital platforms. Claims circulated suggesting vulnerabilities in a portal associated with the board, leading to fears that examination-related systems may have been compromised. CBSE clarified that the concerns related to a testing environment containing sample data and not the actual evaluation platform.
The board emphasised that the live system used for answer-sheet assessment remained secure and that no breach had affected student evaluations. Nevertheless, the episode highlighted the growing importance of cybersecurity in large-scale digital education systems.
Social Media’s Role In Amplifying The Issue
Social media played a central role in bringing the controversy into the national spotlight. Students shared screenshots, videos, scanned answer sheets and personal experiences across platforms such as X, Instagram and YouTube. Educational influencers and coaching institutes also weighed in, helping amplify the discussion.
The rapid spread of information transformed individual grievances into a broader public debate about transparency, accountability and trust in examination systems. It also demonstrated how educational policies are increasingly being scrutinised in real time by students and the wider public.
The Larger Question About Technology In Education
Beyond individual complaints, the controversy has sparked a wider discussion about the role of technology in public education. Digital evaluation systems offer advantages such as faster processing, greater standardisation and improved record-keeping. However, they also introduce new challenges related to scanning quality, data management, technical reliability and cybersecurity.
The OSM controversy highlights how even limited implementation errors can generate significant concern when the futures of millions of students are involved. It also underscores the importance of transparent communication, robust testing and effective grievance redressal whenever new technologies are introduced into critical public systems.
The Logical Indian’s Perspective
The OSM controversy highlights the need for technological reforms to be accompanied by transparency, accountability and responsiveness. While digital systems can improve efficiency and consistency, students must have confidence that errors will be identified and corrected fairly. At the same time, public discussions should remain evidence-based, ensuring genuine concerns are investigated without creating unnecessary fear.
Education is one of the most important pillars of social progress and trust in examination systems is essential for students, parents and institutions alike. As India embraces digital governance, authorities must ensure that innovation goes hand in hand with empathy, openness and strong safeguards. Do you think digital evaluation can make examinations fairer or should stronger manual verification remain part of the process?
Also Read: Supreme Court Refuses Plea To Conduct NEET-UG Retest In CBT Mode Amid Exam Concerns
CBSE Class 12 post-result portal inaccessible, left in lurch, say students amid OSM row https://t.co/1ozN0je0EY
— The Indian Express (@IndianExpress) June 2, 2026
