Indiana Code Title 10. Public Safety § 10-16-7-21

Sec. 21. (a) The adjutant general may appoint a pension examiner who shall inquire into the merits of any claim for pay and care and pension, whether pending or adjudicated.  The pension examiner may administer oaths, orally examine witnesses, issue subpoenas, and take affidavits and depositions in the course of an examination.

(b) The adjutant general shall appoint examining boards consisting of not more than three (3) medical officers of the Indiana national guard, who shall, under the adjutant general's direction, make an examination of a claimant as directed by the adjutant general.  The examining board shall certify the result of its examination in the form prescribed by the adjutant general.

(c) A person who is adversely affected by the report of one (1) medical officer is entitled, upon request, to an examination before a board consisting of three (3) medical officers.  The adjutant general, with the approval of the governor and with the consent of the applicant, may commute any pension by payment of a lump sum to be accepted by the applicant in full satisfaction of all claims.