Seat Allotment letter From JoSSA reporting centre (Original), JEE Scorecard and Admit card, High School/Secondary School certificate of the Board/University, Secondary School certificate of the Board, Migration Certificate, GAP Certificate, if any, Medical Certificate of fitness from the Medical Officer in the prescribed format, Category Certificate as per JOSSA format for OBC, SC, ST and PH, Character Certificate, An anti-ragging affidavit in the prescribed format, Aadhaar Card are the documents required during admission at IIIT Sonipat.