Ind. Code § 23-2-2.5-33
(e) No person is excused from attending and testifying or from producing any document or record before the commissioner, or in obedience to the subpoena of the commissioner, or his representative, or in any proceeding instituted by the commissioner, on the grounds that the testimony or evidence, documentary or otherwise, required of him may tend to incriminate him or subject him to a penalty or forfeiture; but no person may be prosecuted or subjected to any penalty or forfeiture for or on account of any transaction, matter, or thing concerning which he is compelled, after validly claiming his privilege against self-incrimination, to testify or produce evidence documentary or otherwise.
Formerly: Acts 1975, P.L.262, SEC.1.