defendant ( tenant ) has documentary evidence to challenge the tittle of plaintiff and prove that the process through which he registered the deed of conveyance is not valid . But the defendant is being advised to file a separate suit to challenge the sale deed in upper court ie, city civil law . The defendant /Tenant wants to know how he challenge the ownership and tittle in ejectment suit . The plaintiff is not the inducting landlord and Sec 116 of evidence act is not a bar . points of challenging the tittle are (1) The suit property is a debuttar trust property and purchased without leave of court during the pendency of pre existing suit running in high court in between the trustees. (2) A receiver was appointed in the pre existing suit in between the trustees (3) The pre existing suit was pending when the plaintiff purchased the suit property .