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On 13 May 2026 the Central Board of Secondary Education declared its Class 12 results and lit the fuse of the year’s biggest school-examination scandal. The board had abandoned handwritten evaluation for a new On-Screen Marking system — answer books scanned, examiners clicking marks on a portal — and within hours students were staring at scores they did not recognise.

The controversy belongs to the same battered 2026 exam season as the Anti-Paper Leak Act and NEET storm brief and the UGC Equity Regulations stay story — a year in which the scandals were ultimately exposed not by auditors or ministers but by teenagers. This brief compresses the whole arc — the system, the vendor, the blurred sheets, the hackers, the sackings — into one revision card.

How the System Was Supposed to Work

The OSM design was rational on paper — learn its four moving parts.

1. The circular. On 9 February 2026 CBSE mandated On-Screen Marking for Class 12 answer books, while Class 10 evaluation stayed traditional for that session.
2. The pipeline. Physical booklets were transported to CBSE Regional Offices for scanning, and the scanned images were uploaded to a centralised portal where evaluators assessed the answers digitally.
3. The promise. The board said the system would eliminate manual calculation errors, prevent skipped answers, speed up result declaration and cut the physical transport of materials.
4. The price tag. Schools were ordered to become evaluation nodes — dedicated computer labs, public static IP addresses, minimum 2 Mbit/s internet and UPS backup — an infrastructure mandate many institutions struggled to meet.
5. The scale. Roughly 98.66 lakh answer sheets were scanned and evaluated digitally by around 70,000 evaluators — one of the largest digital-marking exercises ever attempted in India.

The Vendor With a Past

The contract is the scandal’s second engine — match the company to its history.

1. The winner. The digital evaluation contract went to Coempt Eduteck, a Hyderabad-based educational technology firm.
2. The old name. Corporate records show the company previously operated as Globarena Technologies Private Limited.
3. The Telangana scar. Under the Globarena name it was hired by the Telangana State Board of Intermediate Education in 2019 — and after its software deployment, over 380,000 of 970,000 students failed their intermediate exams, sparking statewide protests, reported student suicides and NHRC notices.
4. The rename. After the Telangana mess the firm restyled itself Coempt Edu Tech Private Limited, with VSN Raju continuing as CEO; he denied the name change was deceptive, saying clients were informed.
5. The defence. Raju pointed to a 2019 Supreme Court ruling that cleared the company, calculated its actual evaluation error rate at 0.16 per cent and rejected pleas for criminal charges.
6. The question. Why a board serving millions entrusted its most consequential school exam to a firm with that record — the question a 17-year-old would soon ask on national television’s doorstep.

13 May: The Result Shock

One result day, four shockwaves — the numbers every prelims setter loves.

1. The drop. The overall Class 12 pass percentage fell from 88.39 per cent the previous year to 85.2 — a fall big enough to spark panic among students and parents.
2. The subject pattern. Students alleged unexpectedly low marks concentrated in core papers — Physics, Chemistry, Biology and Mathematics — the trusted scoring ladder of the science stream.
3. The evidence problem. When students applied for scanned copies under the board’s verification process they hit technical glitches, incorrect fee deductions and payment-gateway failures.
4. The postponements. The initial 22 May deadline for receiving answer sheets slipped repeatedly, finally to 25 May 2026, while the board cited unprecedented traffic and attempts of unauthorised interference.
5. The trust meter. CBSE received 4,04,319 applications for scanned copies of answer books — far higher than the previous year — a number read widely as a verdict on confidence in the new system.

Blurred Sheets and Wrong Handwriting

The quality-control collapse — the allegations that broke the story open.

1. The blur. Students who received their scanned copies flagged blurred answer sheets, missing pages and — in some cases — another student’s answer sheets entirely.
2. The wrong hands. Delhi student Vedant Shrivastava shared evidence that the Physics answer sheet uploaded under his roll number featured different handwriting and belonged to someone else.
3. The abuse. Instead of sympathy he was trolled — called anti-national and Pakistani online; even a Doordarshan News journalist, Ashok Shrivastav, branded him Pakistani, later apologising after backlash.
4. The fix. CBSE officially acknowledged the technical error, issued the correct answer sheet and promised to rectify his result — which Indian Express reporting found showed signs of manual evaluation.
5. The fee insult. All this while the board charged hefty fees for photocopies of sheets it had already scanned — the detail that turned technical failure into a public morality tale.

The Teen Detectives

While audits stayed silent, three teenagers carried the investigation — remember the names.

1. The researcher. Sarthak Sidhant, 17, questioned CBSE’s appointment of Coempt Eduteck, documenting the firm’s 2019 Telangana record of 380,000-plus failures and 21 student suicides.
2. The witness stand. Sarthak later appeared before a Parliamentary committee to present his findings on irregularities in the OSM tender process.
3. The hacker. Nisarga Adhikary, a 19-year-old ethical hacker, found serious security flaws in the OSM portal and reported them to CERT-In.
4. The exposure. Adhikary alleged examiner accounts could be accessed with publicly available details and a password exposed in the system’s own code, and that answer sheets and question papers on an Amazon Web Services server were publicly accessible through improper configuration.
5. The verdict line. ThePrint concluded the season’s essay: in India’s NEET and CBSE exam crisis, the only adults in the room have been children.

The Toolkit and the Trust Deficit

Perception management allegedly replaced error management — the governance angle.

1. The playbook. Reports surfaced that CBSE had circulated a communication toolkit to schools and pushed principals to flood social media with coordinated videos and posts defending OSM.
2. The identical phrasing. Independent observers and online watchdogs spotted multiple principals publishing praise videos using identical wording — the fingerprint of a scripted campaign.
3. The pressure claim. Students on Reddit alleged their schools were pressuring them to upload public statements defending the accuracy of the marking system.
4. The optics reading. Critics said the board was trying to manage public perception instead of addressing structural evaluation errors — a charge harder to answer than any glitch.
5. The lesson. Crisis communication cannot substitute for quality control — a ready-made governance answer for mains.

The Climb-Down: Fees Slashed, Heads Rolled

The institutional response arrived in two waves — money first, then personnel.

1. The fee cuts. Scanned photocopies fell from ₹700 to ₹100 per subject, verification from ₹500 to ₹100 per subject and re-evaluation from ₹100 to ₹25 per question.
2. The extensions. Deadlines for obtaining scanned copies and for re-evaluation and verification were pushed back to cope with demand and portal failures.
3. The rescans. Thousands of answer sheets were rescanned as the board moved to blunt the blurred-and-missing-pages allegations.
4. The sackings. Ministry of Education reviews ended with CBSE Chairman Rahul Singh and Secretary Himanshu Gupta removed on 2 June — heads rolling at the very top.
5. The street. Protests erupted outside the CBSE headquarters in New Delhi, and Leader of the Opposition Rahul Gandhi demanded a judicial probe into the marking contract.

The Security Ulcer

From denial to admission — track the board’s shifting security story.

1. The first position. CBSE initially defended the system as secure and robust, refuting claims that its marking portal had been compromised.
2. The admission. After weeks of denial the board admitted security gaps in the online marking portal, while insisting the vulnerabilities had been contained.
3. The AWS hole. The most serious claim — answer sheets and question papers stored on an Amazon Web Services server left publicly accessible through improper configuration.
4. The credential hole. The second serious claim — examiner accounts open to anyone holding public details plus a password sitting in the system’s own code.
5. The exam question. If the school-leaving certificate of millions can be mislaid, mismatched or exposed, what exactly was digitised — the evaluation or the risk?

The 2026 Exam Storm Context

The CBSE row was May’s chapter of a year-long crisis — place it on the ladder.

1. January. The UGC Equity Regulations were notified on 13 January, drew nationwide protests from the 26th and were stayed by the Supreme Court on the 29th — the arc traced in the UGC Equity Regulations stay story.
2. May. NEET-UG was held on 3 May and cancelled on 12 May over the paper leak; a day later CBSE’s Class 12 results detonated the OSM row — the NEET storm is covered in the Anti-Paper Leak Act and NEET storm brief.
3. The connective tissue. Both scandals raised the same question — whether India’s exam machinery, paper or digital, can guarantee fairness at scale.
4. The watchdog gap. Audits missed what a 17-year-old researcher and a 19-year-old hacker found — the accountability lesson of the season.
5. The reform pressure. The year ended with an Anti Paper Leak Act on the statute book and a chastened CBSE rescanning its sheets — crisis-driven reform, the Indian pattern.

How Exams Probe This Topic

Date ladders, match-the-following and one numbers card — the question shapes are predictable.

1. The date ladder. OSM circular 9 February → results 13 May → fee cuts 17 May → Rahul Gandhi’s probe demand 27 May → sackings 2 June 2026.
2. The numbers card. Pass percentage 88.39 to 85.2; 98.66 lakh sheets; 70,000 evaluators; 4,04,319 copy applications — four figures, four statements.
3. The fee slash match. Photocopy 700 to 100, verification 500 to 100, re-evaluation 100 to 25 — a three-line matching set begging to be asked.
4. The person match. Vedant Shrivastava to the wrong-handwriting sheet, Sarthak Sidhant to the tender questions, Nisarga Adhikary to the portal flaws, Rahul Singh to the exit door.
5. The prelims 2027 hook. State PSCs and banking exams love a scandal with clean numbers — expect 13 May 2026 and the 85.2 pass rate as statement questions.
6. The mains frame. Digital governance versus digital risk: argue OSM’s error-elimination promise against the blurred-sheets, mismatched-handwriting and exposed-server record.

Quick Revision: One-Glance Facts

Carry these into the hall — the entire CBSE row folds into one card.

1. The system. On-Screen Marking — Class 12 answer books scanned at regional offices and marked digitally on a centralised portal; Class 10 stayed physical in 2026.
2. The dates. Circular 9 February; results 13 May; copy deadline extended to 25 May; chairman and secretary out 2 June 2026.
3. The numbers. Pass rate down from 88.39 to 85.2 per cent; 98.66 lakh sheets; 70,000 evaluators; 4,04,319 scanned-copy applications.
4. The vendor. Coempt Eduteck — formerly Globarena Technologies, the firm behind the 2019 Telangana intermediate results fiasco with 380,000-plus failures.
5. The names. Vedant Shrivastava’s mismatched sheet; Sarthak Sidhant’s tender findings; Nisarga Adhikary’s CERT-In alerts; removed chairman Rahul Singh, secretary Himanshu Gupta.
6. The fee cuts. Photocopy ₹700 to ₹100; verification ₹500 to ₹100; re-evaluation ₹100 to ₹25 per question.
7. The security arc. Secure-and-robust defence, then admission of gaps after the AWS exposure and password-in-code claims — vulnerabilities contained, said the board.
8. The geography. National row triggered by a Delhi student’s evidence; protests at the CBSE headquarters in New Delhi.

Conclusion: When the Adults Left the Room

The CBSE On-Screen Marking controversy began as a modernisation project — kill the trucks, kill the totting-up errors, declare results faster — and ended with blurred answer books, a stranger’s handwriting under a Delhi boy’s roll number, an exposed cloud server and two sacked board chiefs. For prelims, it is a numbers feast: 13 May, 85.2 per cent, 98.66 lakh sheets, 700-to-100. For mains, it is India’s digital-governance case study of the year: technology adopted at scale without the quality control, security audit and transparency to match. And for every examiner, the enduring line of 2026 — the only adults in the room were children.

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