New Delhi, May 21 -- Access to scanned answer sheets under CBSE's Class 12 re-evaluation process has exposed deeper concerns surrounding the board's controversial On-Screen Marking (OSM) system, with students alleging incorrect marking, blurred scanned copies, and repeated glitches on the portal.

CBSE's Class 12 examination results this year have been marred by controversy over the newly introduced digital evaluation process, with several students claiming they received unexpectedly low marks.

Amid growing outrage, the board opened the process for verification of marks, access to scanned answer books and re-evaluation.

However, the re-evaluation process itself has now come under criticism, with students alleging unreadable answer sheet...