New Delhi, June 7 -- Sarthak Sidhant, who raised concerns about alleged irregularities in the Central Board of Secondary Education's (CBSE) On-Screen Marking (OSM) system, on Sunday sought an extension of the re-evaluation deadline, which ends today, saying that he had been "busy exposing" the board this week.

"Can u please extend the deadline please because i was busy this week exposing you," Sidhant said on X.

The CBSE on Friday announced a one-day extension of the deadline for Class 12 students to apply for verification of marks and re-evaluation of answer scripts. Students can now submit their applications until June 7.

The decision was taken after several students reported difficulties in accessing their answer sheets and completi...