The Central Board of Secondary Education has opened the Class 12 re-evaluation window amid growing concerns related to the board's On-Screen Marking (OSM) system. The development comes after lakhs of students sought access to their answer scripts following complaints regarding evaluation discrepancies, mismatched answer sheets, blurred scanned copies, and technical glitches.

The controversy surrounding the OSM system has become one of the biggest post-result issues faced by the board in recent years.
| Events | Details |
| Board | CBSE |
| Re-Evaluation Window | Open |
| Students Applying for Answer Scripts | 4,04,319 |
| Total Answer Books Requested | 11,31,961 |
| Digitally Furnished Copies | 8,98,214 |
| Major Issue | OSM-related controversy |
| Official Website | CBSE Official Website |
Students are advised to carefully review their answer scripts and follow official CBSE guidelines while applying for verification or re-evaluation.
The controversy emerged after CBSE implemented the On-Screen Marking (OSM) system for Class 12 board examinations.
Under this system, answer sheets are scanned and evaluated digitally by examiners.
However, many students alleged problems such as:
Several students took to social media claiming that the answer scripts uploaded under their roll numbers did not belong to them.
The issue gained wider attention after reports surfaced regarding incorrect Physics answer sheets allegedly being uploaded for certain candidates.
According to official figures released by Central Board of Secondary Education:
The numbers indicate the large-scale concern among students regarding the evaluation process this year.
The re-evaluation process officially begins today for Class 12 students dissatisfied with their marks.
Students who accessed their answer scripts can now choose from:
The board has advised candidates to carefully review their scanned answer copies before proceeding further.
Dharmendra Pradhan recently commented on the issue and suggested that approximately 20 percent of students may eventually apply for re-evaluation.
However, the final number will become clear only after the entire process concludes.
The ministry and board are reportedly monitoring the situation closely because of the unusually high volume of requests this year.
The re-evaluation process usually takes place in multiple stages.
Step 1: Obtain Photocopy of Answer Sheet
Students first request a scanned copy of their evaluated answer script.
Step 2: Verification of Marks
Students can request verification to ensure:
Step 3: Re-Evaluation
Candidates can request re-checking of specific answers if they believe marks were incorrectly awarded.
The final revised marks, if any, are updated after the process concludes.
Students and parents have raised several concerns this year, including:
Many students expressed anxiety over whether their original answer sheets were correctly evaluated.
The Class 12 board examination is considered crucial for:
As a result, students are particularly sensitive about evaluation accuracy and fairness.
The large number of answer script requests reflects the importance of trust and transparency in the board examination system.
Education experts believe the controversy may push Central Board of Secondary Education to further review and strengthen its digital evaluation procedures.
Possible improvements may include:
The board has not yet announced any major policy changes related to OSM.