Definition of an NRI
An Indian Citizen who stays abroad for employment/ carrying on business or vacation 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 Government and Public Sector Undertakings on temporary assignments are also treated as non-resident) Non-resident foreign citizens of Indian Origin are treated on par with non-resident Indian citizens.
Definition of a Foreign Citizen of Indian Origin/ PIO
(i) He held an Indian passport at any time, or
(ii) He or his father or paternal grand-father was a citizen of India by virtue of the Constitution of India or the Citizenship Act, 1955 ( 57 of 1955).
Regulations issued by Reserve Bank for acquisition and transfer of immovable property in India by a person resident outside India have been notified vide RBI Notification No. FEMA 21/2000-RB dated May 3, 2000 as amended vide Notification No. FEMA 64/2002-RB dated June 29, 2002 and Notification No. FEMA 65/2002-RB dated June 29, 2002 and relevant directions issued in the form of A.P. (DIR Series) Circulars. These are available on RBI website: www.fema.rbi.org.in