Section 123 in Criminal Court Rules of the High Court of Judicature at Patna
123.
When a number of documents of the same nature are admitted, as for example a series of receipts for rent, the whole series shall bear one number or capital letter, a small number, or small letter being added to distinguish each paper of the series thus -Exhibits 11,12, etc., etc.Exhibits Aa, Ab, etc., etc.
