matter was settled in between the plaintiff and Cherukuri Venkateshwarlu. It is also borne out from the record that in pursuance to the understanding between the parties, Nagabhushanam executed a registered sale deed, the certified copy of which is Ex.B.2, on 31-051974, selling his portion of the suit schedule house in favour of the plaintiff. To the said registered instrument, D.1 being the brother of the executant Nagabhushanam also signed as an identifying witness. It is also on record that after the sale deed was executed and registered, the agreement of sale said to have been executed by Venkata Subba Sastri in favour of the plaintiff as well as Cherukuri Venkateshwarlu was destroyed. The above aspects are either proved or are not serious contested. The controversy started thereafter. 15. According to the plaintiff, on the date of Ex.B.2 namely 31-051974, D.1 in his capacity of the manager of the joint family which comprises of his two sons i.e., D.2 and D.3, has entered into an agreement of sale to sell his eastern portion of the schedule house as well to the plaintiff for a consideration of Rs.20,000/-, and accordingly, an advance of Rs.1,000/- was paid by the plaintiff to D.1. According to the plaintiff, it was agreed between the parties that by May, 1975 i.e., after one year, the plaintiff will pay the balance consideration of Rs.19,000/- and the defendants shall execute the registered sale deed. According to the plaintiff, after the period expired i.e., in May, 1975, the plaintiff informed D.1 that he is ready with the balance consideration and called upon the defendants to fulfil their part of the contract. They have postponed the matter and in September, 1975, the plaintiff was detained under the Maintenance of Internal Security Act (MISA) and the matter remained as it is till June, 1976, when the plaintiff was released. Thereafter, the plaintiff got issued legal notice on 22-09-1976, the office copy of which is Ex.A.2, calling upon the defendants to accept the balance consideration and execute the sale deed. It is contended by the plaintiff that the defendants have postponed the matter on some pretext or the other, which ultimately led