Many Indians work in the gulf countries, Most of the Indian holds the PIO (Persons of Indian Origin) cards and the Consulate General of India situated in Dubai had instructed them to convert their PIO cards into OCI (Overseas Citizen of India) before March 31, 2016, to avoid being barred from entering India without the valid Visa. If you are also residing in UAE and having opted for the PIO card then you must read this.