What is OCI Card and application process; Check how to use OCI miscellaneous services

An Overseas Citizen of India (OCI) is a person with Indian heritage, origin, or roots, or who was an Indian citizen before becoming a foreign national and now carries a foreign passport. An OCI (Overseas Citizen of India) card allows an Indian citizen who holds a foreign passport, i.e., is currently a national of a foreign country, a multi-purpose, multi-entry lifelong visa to India.