Ind. Code § 25-1-3-2

Sec. 2. The board members, the secretary, his staff, counsel, investigators and hearing officer of every regulatory board, except as provided in section 4 of this chapter, shall be immune from civil liability for damages for conduct within the scope and arising out of the performance of their duties. This section shall not be construed to include civil actions for damages not directly related to the investigative process and shall apply only to the process for the finding of fact of the regulatory board.