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 Indian - NRI. (Persons posted in U.N. organisations and officials deputed abroad by Central/State Governments and Public Sector undertakings on temporary assignments are also treated as non-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).