Indiana Code Title 16. Health § 16-33-4-4

(A) served on active duty in the armed forces of the United States during any of its wars, including the Korean War, for not less than ninety (90) days;  or

(B) while on active duty in the armed forces of the United States:

before the completion of ninety (90) days of service if the person has received a discharge or certificate of service other than dishonorable from the armed forces of the United States, or the survivors of the person have received a letter of mourning or certificate of death in case of death in the armed forces of the United States;  or

(A) served on active duty in any of the authorized campaigns or declared emergencies of the United States as evidenced by an award of authorized decorations for service outside the continental limits;  and

(B) received a discharge other than dishonorable, or the survivors of the person have received a letter of mourning or certificate of death in the case of death in the armed forces.