India, June 3 -- The Central Board of Secondary Education (CBSE) on Tuesday launched its long-awaited portal for Class 12 students seeking verification of answer sheets and re-evaluation of marks. The rollout was marred by technical glitches, cyberattack claims and ultimately an administrative upheaval.

The portal, which opened a day later than scheduled, allows students to seek verification of issues identified in scanned copies of answer books supplied by the Board and apply for re-evaluation of answers. The application window will remain open until midnight on June 6.

CBSE Chairman Rahul Singh and Secretary Himanshu Gupta were transferred out of the Board on Tuesday. Lokhande Prashant Sitaram was appointed the new CBSE Chairman.

The...