At the time of admission, candidates must submit original documents along with self-attested photocopies for verification. These typically include: Class 10 mark sheet and certificate (as proof of date of birth), Class 12 mark sheet and certificate, IPMAT admit card, IPMAT scorecard, category certificate (SC/ST/OBC-NCL/EWS/PwD) in the prescribed Government of India format (if applicable), valid photo ID proof, and passport-size photographs. OBC-NCL and EWS certificates must be valid for the relevant financial year as specified in the notification. Failure to provide valid documents within the stipulated timeline may lead to cancellation of the admission offer.