Ind. Code § 23-2-5-13
Upon:
(2) the refusal of any witness to appear when subpoenaed, to testify to any matter regarding which the witness may be lawfully interrogated, or to take or subscribe to any oath required by this chapter;
it shall be the duty of the circuit or superior court of the county in which the hearing or inquiry or investigation in question is being or is to be held, where demand is made, or where the production is ordered to be made, upon written petition of the commissioner, to compel obedience to the lawful requirements of the subpoena, order, or demand.
As added by P.L.235-1985, SEC.1. Amended by P.L.230-1999, SEC.7.