Code of Civil Procedure, 1908
29. Service of foreign summonses. Summonses and other
processes issued by-
(a) any Civil or Revenue Court established in any part of India
to which the provisions of this Code do not extend, or
(b) any Civil or Revenue Court established or continued by the
authority of the Central Government outside India, or
(c) any other Civil or Revenue Court outside India to which the
Central Government has, by notification in the Official Gazette, declared the
provisions of this section to apply, may be sent to the Courts in the
territories to which this Code extends, and served as if they were summonses
issued by such Courts.]