(a) Whenever a witness refuses, on the basis of the privilege against self-incrimination, to testify or provide information in a proceeding before, or ancillary to, a Circuit Court-District Division or Superior Court or a Grand Jury, a prosecutor may, with the prior written approval of the Attorney General or County Attorney for the jurisdiction where offenses are alleged to have occurred, request an order from the court requiring such individual to give testimony or provide other information that the individual refuses to give or provide on the basis of the privilege against self-incrimination, when in the judgment of the Attorney General or County Attorney:
(1) The testimony or other information from such individual may be necessary to the public interest; and
(2) Such i