5. Accordingly, the Civil Revision Petition is allowed setting aside the order, dated 21.08.2012, in Interlocutory Application No.177 of 2012 in Original Suit No.420 of 2011 passed by the Principal Junior Civil Judge, Guntur, and consequently, Interlocutory Application filed by the petitioner is allowed. The trial Court is directed to send the disputed document namely promissory note and the endorsement made on it to the handwriting expert along with the admitted signatures of the petitioner found in the written statement and the vakalat for comparison and opinion. The petitioner is also directed to file contemporaneous signatures, if any, before the trial Court. Before sending the said documents to handwriting expert, the petitioner is directed to deposit an amount of Rs.20,000/- towards expert fee before the trial Court within a period of two (2) weeks from the date of receipt of a copy of this order, failing which the C.R.P. shall stand dismissed. On such deposit, the trial Court shall send the documents to handwriting expert for comparison and opinion. However, if the handwriting expert claims that his fee is less than the amount deposited by the petitioner, the remaining amount shall be returned to the petitioner. There shall be no order as to costs. Miscellaneous petitions, if any, pending in this revision shall stand closed.