When an offence is committed outside India-
(a) by a citizen of India, whether on the high seas or elsewhere; or
(b) by a person, not being such citizen, on any ship or aircraft registered in India, he may be dealt with in respect of such offence as if it had been committed at any place within India at which he may be found:
Provided that, notwithstanding anything in any of the preceding sections of this
Chapter, no such offence shall be inquired into or tried in India except with
the previous sanction of the Central Government.
Code of Criminal Procedure (CrPC)
181 CrPC Place of trial in case of certain offences
182 CrPC Offences committed by letters, etc
183 CrPC Offence committed on journey or voyage
184 CrPC Place of trial for offences triable together
185 CrPC Power to order cases to be tried in different sessions divisions
186 CrPC High Court to decide, in case of doubt, district where inquiry or trial shall take place
187 CrPC Power to issue summons or warrant for offence committed beyond local jurisdiction
188 CrPC Offence committed outside India
189 CrPC Receipt of evidence relating to offences committed outside India