What is the difference between an OCI cardholder and an NRI? - What’s the Difference – NRI, PIO, and OCI?

People with Indian heritage living abroad fall into different categories.* An NRI (Non-Resident Indian) is an Indian citizen who lives outside India.* A PIO (Person of Indian Origin) used to mean someone with Indian ancestry and a foreign passport, but now this category is merged into OCI.* An OCI (Overseas Citizen of India) is a foreign citizen with Indian roots who gets a lifelong visa to visit India and enjoy certain benefits—though they aren’t full Indian citizens. What’s the Difference – NRI, PIO, and OCI?