Ind. Code § 23-13-5-10

Sec. 10. After one (1) year from the date of any such stockholders' meeting, all stockholders shall be conclusively presumed to have assented to the action thereof and to have assigned their stock to said directors or trustees accordingly, unless, within such year, they shall have filed their respective petitions as provided for the valuation and sale of their stock. After one (1) year from the entry of any decree of court hereinbefore provided for, no appeal shall lie therefrom.