R. Kantha Rao, J.

1. This Civil Revision Petition is filed under Article 227 of the Constitution of India against the order dated 01.11.2013 passed in I.A. No. 740/2013 in O.S. No. 1/2010 on the file of the Court of the Principal District Judge, Warangal.

2. I have heard Sri Ch. Purnachandra Rao, learned counsel appearing for the petitioners/defendants and Sri J. Prabhakar, learned counsel appearing for the respondent/plaintiff.

3. The brief facts necessary for disposal of the revision petition may be stated as follows:

"The respondent filed the suit against the petitioners for recovery of an amount of Rs. 1,95,93,471/- pertaining to the works allegedly executed by the petitioners. In the suit the petitioners filed written statement along with a counter claim for Rs. 3,31,59,890/-. A rejoinder was filed by the respondent to the counter claim. In the course of the trial, the petitioners wanted to produce some photocopies of letters said to have been addressed by the 1st petitioner/1st defendant to the office of the respondent on different dates on the ground that the original copies were misplaced and were not traced out, the original letters are in the office of the respondent, th