Such findings were firstly,that the defendants had failed to prove that the suit properties were sold in favour of defendant-l subsequent to the giving of security of those properties in his favour under the mortgage deeds; secondly,that the defendants had failed to prove the past tenancy of the suit properties on its view that what was pleaded by them in the written statements was tenancy prior to the date of filing of the suit; and thirdly,that the mortgages of the suit properties were mortgages by 'conditional sale