NEW DELHI: The Central Board of Secondary Education (CBSE) has officially activated the online portal for verification of marks and re-evaluation of answer scripts.The portal is now accessible to all candidates who wish to challenge the marks awarded in their recently declared board examinations.Students urged to follow step-by-step video guideIn a bid to minimise technical errors and ensure a smooth application process, CBSE has released a detailed instructional video accompanying the portal launch.The board emphasised that common mistakes, such as incorrect subject selection or payment errors, can lead to rejection of applications, making the video tutorial an essential first step for all applicants.Portal link and application process detailsStudents can access the official portal directly at postresult.cbseit.in/pvr/ . Upon visiting the link, candidates must select their respective examination type and log in using their roll number and date of birth.The platform offers two distinct services: verification of marks (where the board checks for unchecked answers or totaling errors) and re-evaluation (where a designated examiner reviews the answer script again).A nominal non-refundable fee is applicable per question or per subject, which can be paid online through the integrated payment gateway.Also read: CBSE crisis deepens: Student data exposed, say cyber activistsEducation ministry cracks down on On-screen marking (OSM) tender rowThe verification portal has come live amid the OSM tender controversy which escalated after students began reporting blurred answer sheets, missing pages, mismatched scanned copies and repeated glitches during the reevaluation process.The education ministry has initiated an internal crackdown over alleged irregularities in the process.The controversy deepened, with ethical hackers and cybersecurity researchers flagging vulnerabilities in systems linked to CBSE’s digital evaluation infrastructure.