Indiana Code Title 3. Elections § 3-11-13-32.8

Sec. 32.8. If a voter shows the voter's ballot card or a part of the card to another person after the card has been marked so as to disclose any of the candidates voted for or how the voter voted on a public question, the ballot card may not be deposited in a ballot box.  A record of the occurrence shall be made on the poll list, and the voter may not vote again at the election.