Indiana Code Title 29. Probate § 29-1-7-6

Sec. 6. (a) At any time after the issuance of letters, any person interested in the estate may serve upon the personal representative, or upon his attorney, and file with the clerk of the court where the proceedings are pending with a written admission or proof of such service, a written request, stating that he desires written notice by ordinary mail of the time and place of all hearings on the settlement of accounts, on final distribution, and on any other matters for which any notice is required by law, by rule of court, or by an order in the particular case.  The applicant for such notice must include in his written request his post office address or that of his attorney.  Unless the court otherwise directs, upon filing such request such person shall be entitled to notice of all hearings for which any notice is required as aforesaid, or of such of those hearings as he designates in his request.

(b) Upon petition by an interested person, the court having jurisdiction over the estate may, in its discretion, under such terms and conditions as the court considers appropriate, order the personal representative to provide that interested person with relevant materials specified in the court's order.