Ind. Code § 10-16-7-18

Sec. 18. A member of the Indiana National Guard who when on duty or assembled for duty, in case of riot, tumult, breach of peace, insurrection, invasion, public disaster or whenever ordered by the governor, the commanding general of the Indiana National Guard, or called to the aid of civil authorities, shall be considered a state employee for purposes of receiving worker's compensation under IC 22-3. The receipt of worker's compensation by a member of the Indiana National Guard shall not be construed as an exclusive remedy (as described in IC 22-3-2-6) for purposes of determining the member's eligibility for the member's retirement benefits or other benefits provided to a member of the Indiana National Guard.