1. This Civil Revision Petition under Article 227 of the Constitution of India is filed, questioning the order dated 31.7.2009 made in I.A.No.119 of 2009 in O.S.No.234 of 2008, on the file of the learned Senior Civil Judge, Gudur, Nellore district, whereunder the application filed under Order I Rule 10(2) read with Section 151 of Civil Procedure Code, seeking to add the first respondent as party defendant to the suit, was allowed.

2. Petitioners are plaintiffs and second respondent is defendant in the suit O.S.No.234 of 2008. First respondent is third party to the suit. Petitioners laid the above suit for specific performance of Agreement of Sale dated 2.8.1989 purported to have been executed by second respondent. The said suit is pending and during the pendency of suit, first respondent filed the present I.A. under Order I Rule 10(2) of CPC to add her as defendant to the suit. Petitioners resisted the same. After a detailed consideration of the arguments on both sides and other material made available on record, the Court below, by impugned order allowed the application as prayed for. Aggrieved by the same, the present C.R.P. is filed.

3. It is the contention of the firs