Once OCI is ready you will get a confirmation mail in this regards on your mail. Thereafter You may book an appointment for collection of OCI card at the following link http://www.hcikl.gov.in/AppointmentHome

Applicant to come in person in case applicant is unable to come in person for collection he/she can send a representative along with an authorization letter for collecting the OCI card.  The passport of the applicant, PIO card and the receipt issued at the time of submission has to be brought by the representative.