-When applying for an OCI card in Singapore or submitting an OCI application in Singapore, the processing period for acquiring the OCI card on a self/parents/grandparents basis is around 35 to 45 working days. If an OCI Card is sought based on a spouse, the processing time in Singapore is approximately 3 to 6 months. When applying for OCI Miscellaneous Services in Singapore, the processing period ranges from 2 weeks to 45 working days. This includes changes to address, and personal information, updating new passport information, and so on.