Ind. Code § 11-11-1-2
The commissioner shall implement a departmental procedure in which a committed person may submit grievances arising out of the administrative acts of the department that affect that person. Although the procedure should encourage flexibility and informality in the resolution of grievances, it must be consistent with the following minimum requirements:
(4) The department may not undertake any act or practice that would discipline a person for, or otherwise discourage or limit him from, utilizing the grievance procedure.
As added by Acts 1979, P.L.120, SEC.4.