Indiana Code Title 35. Criminal Law and Procedure § 35-44.1-2-1

(1) makes a false, material statement under oath or affirmation, knowing the statement to be false or not believing it to be true;  or

(2) has knowingly made two (2) or more material statements, in a proceeding before a court or grand jury, which are inconsistent to the degree that one (1) of them is necessarily false;

(1) the indictment or information need not specify which statement is actually false;  and

(2) the falsity of a statement may be established sufficiently for conviction by proof that the defendant made irreconcilably contradictory statements which are material to the point in question.