petitioners is that, the second respondent, during the lifetime of his mother Vardhammal, without any authority, entered into agreement of sale, by concealing the vital fact that her mother/second defendant had executed a settlement deed in favour of the revision petitioners, whereby, the revision petitioners have right/title/interest over the property covered in O.S.No.140 of 1998 and in order to prove the same, the revision petitioners filed a comprehensive suit in O.S.No.95 of 2014, which was re-numbered as O.S.No.6 of 2015 and the same is pending on the file of the Additional District Court, Ranipet. Therefore, the learned counsel submits that the revision petitioners' right requires to be adjudicated in O.S.No.6 of 2015, and since the decree in O.S.No.140 of 1998 was obtained behind the back of the Court, as the second respondent concealed the fact of execution of the settlement deed in favour of the revision petitioners, in respect of the property in O.S.No.140 of 1998, the decree passed in O.S.No.140 of 1998