To register for Aadhaar ECMP Operator/Supervisor or CELC Operator Certification Exam on NSEIT Portal, candidates have to generate Offline Aadhaar XML file and share code from the following link - https://myaadhaar.uidai.gov.in and latest copy of e-Aadhaar having Virtual ID (VID) from the same link- https://myaadhaar.uidai.gov.in.