12.Admittedly, the appelants 1 to 3 are the defendants and the deceased first respondent was the plaintiff in the said suit and though the sale agreement dated 24.11.2000 is admitted, however, the case of the appellants-defendants is that they have not executed the sale agreement with a real intention to sell the suit property and the same has been executed only for collateral purpose/security purpose in order to repay the mortgaged money. Admittedly, there was a loan transaction between the wife of the respondent and the appellants and also the brother of the respondent and there was a loan transaction and also mortgage deed in the month of January 2000, whereas, the sale agreement came into existence in the month of November 2000. Admittedly, there is no recital about the earlier loan transaction between the wife of the respondent and brother of the respondent and that there was a strange relationship between the husband and wife and also brother and there was no talking terms. Only in the month of January, the wife paid advance money on the mortgage and in the month of May, the husband intend to purchase the property and executed the sale agreement in which they should have mentioned about the balance