Reissuance/issuance of duplicate OCI registration certificate and visa is necessary in the following circumstances. A registered OCI may avail these services through OCI Miscellaneous Services, available online:

1. Issuance of new passport;
   1. For an applicant who is 20 years of age or younger, OCI documents must be reissued each time a new passport is issued;
   2. For an applicant who is 50 years of age or older, OCI documents must be re-issued once after the issuance of a new passport. If the OCI card is issued for the first time after the age of 50 years, then there is no need for reissuance of OCI.
   3. For an applicant who is 21 to 49 years of age, there is no need to reissue OCI documents each time a new passport is issued. However, if the applicant desires, he/she can request that the OCI documents be re-issued so that the OCI documents reflect the correct passport number.
2. Change of personal information viz. nationality etc.;
3. Loss/damage of OCI registration certificate/visa;
4. If wrong personal information has been filled while submitting online applications viz. name, father’s name, date of birth etc.;
5. If mistakes have been committed while manually completing the application by the indian mission/post/office (this service has been discontinued now);
6. Change of address/occupation.

More information about availing the OCI Miscellaneous Services can be found here.