An Indian Citizen who stays abroad for employment/carrying on business or vocation outside India or stays abroad under circumstances indicating an intention for an uncertain duration of stay abroad is a non-resident. (Persons posted in U.N. organizations and officials deputed abroad by Central/State Governments and Public Sector undertakings on temporary assignments are also treated as non-residents). Non-resident foreign citizens of Indian Origin are treated on par with non-resident Indian citizens (NRIs) for the purpose of certain facilities