This revision petition is directed against the order of the lower Court refusing to implead the petitioner herein as a party defendant in O.S.No. 644 of 1966 filed by the first respondent herein. The first respondent filed the above suit for recovery of possession of certain properties from six persons on the ground that they were her lessees, and that they had not only committed wilful default in the payment of the arrears of rent but also repudiated their tenancies. The said suit was resisted by the said six persons on the ground that they were not the tenants of the plaintiff first respondent, but that they were the tenants under the petitioner herein. After filing of the written statement by the said six persons the petitioner filed an application to implead himself as a party defendant in the suit and that application has been dismissed by the lower Court not only on the ground that he is an unnecessary party but also on the ground that he cannot be said to have any valid title to the suit property after considering the documents filed by the petitioner along with his application under Order 1, Rule 10 (2), Civil Procedure Code. The petitioner is aggrieved against the