Bureau of Immigration, Government of India posts an update on Twitter/X.
“The e-OCI (Electronic OCI Card) has been officially launched! No more carrying your physical OCI booklet everywhere. You can now download your digital e-OCI Card on your mobile phone and present it at Immigration Check Posts and to airlines. How to Download Your e-OCI Card (For Existing OCI Cardholders)
Log in to the OCI Services Portal: ociservices.gov.in using your existing User ID and Password. If you are not already registered, complete the registration process using the e-mail address provided at the time of your OCI application.”