20. In view of the controversy between the parties it is necessary to advert to the terms and conditions of the agreement of sale, marked as Ex.A1, and the specific pleas raised in the plaint and in the written statement. Ex.A1 is the agreement of sale, dated 18.03.1979, for Rs.1,25,000/-, executed by the first defendant in favour of the plaintiff. On the date of execution of Ex.A1 the first defendant received a sum of Rs.5,000/- as advance, while agreeing that on payment of balance sale consideration of Rs.1,20,000/- on or before 18.06.1979 to execute registered sale deed and deliver vacant possession of the schedule property to the plaintiff by vacating the tenants except the tenant PS Krishna Murthy who is running Volga Restaurant and whose tenancy period would expire by 30.04.1980 and the plaintiff agreed to get him vacated at her own expenses after expiry of lease period. In the entire document Ex.A1, there was no reference about the southern boundary wall dispute between the first defendant and her neighbour and resolving the same as a precondition for payment of balance of sale consideration. Even as per the endorsement on the reverse of Ex.A1, which is marked as Ex.A2, there is absolutely no reference about the southern boundary wall dispute between the first defendant and her neighbour and resolving the same for payment of balance sale consideration, but strangely, in paragraph No.13 of page No.8 of the plaint, the plaintiff invented a story of settlement of southern boundary wall dispute for payment of balance sale consideration as a precondition. Further, in paragraph 7 of the plaint a bald allegation is made that the condition precedent for execution of registered sale deed is that the first defendant should get the tenants, other than the owner of Volga Restaurant, vacated and deliver vacant possession and that it is also stipulated that a promissory note is to be taken for