Where-
(a) in the exercise of any foreign jurisdiction vested in the Central Government, a Political Agent has been appointed, or a Court has been established or continued, with power to serve a summons, issued by a Court under this Code, in any foreign territory in which the defendant actually and voluntarily resides, carries on business or personally works for gain, or
(b) the Central Government has, by notification in the Official Gazette, declared in respect of any Court situate in any such territory and not established or continued in the exercise of any such jurisdiction as aforesaid, that service by such Court of any summons issued by a Court under this Code shall be deemed to be valid service, the summons may be sent to such Political Agent or Court, by post, or otherwise, or if so directed by the Central Government, through the Ministry of that Government dealing with foreign affairs, or in such other manner as may be specified by the Central Government for the purpose of being served upon the defendant; and, if the Political Agent or Court returns the summons with an endorsement purporting to have been made by such Political Agent or by the Judge or other officer of the Court to the effect that the summons has been served on the defendant in the manner hereinbefore directed, such endorsement shall be deemed to be evidence of service.
Order V Rule 21 CPC Service of summons where defendant resides within jurisdiction of another Court
Order V Rule 22 CPC Service within presidency towns of summons issued by Courts outside
Order V Rule 23 CPC Duty of Court to which summons is sent
Order V Rule 24 CPC Service on defendant in prison
Order V Rule 25 CPC Service where defendant resides out of India and has no agent
Order V Rule 26 CPC Service in foreign territory through Political Agent or Court
Order V Rule 26A CPC Summonses to be sent to officers to foreign countries
Order V Rule 28 CPC Service on soldiers, sailors or airmen
Order V Rule 29 CPC Duty of person to whom summons is delivered or sent for service