Extradition Act, 1962
34B. Provisional arrest.
On receipt of an urgent request from a foreign State for the immediate arrest of a fugitive criminal, the Central Government may request the Magistrate having competent jurisdiction to issue a provisional warrant for the arrest of such fugitive criminal.
A fugitive criminal arrested under sub-section (1) shall be discharged upon the expiration of sixty days from the date of his arrest if no request for his surrender or return is received within the said period.