The plaint averments are that the original plaintiff, Mihi Lal sold his agricultural land for an amount of Rs. 20,000/- to defendant no.1, Shyam Lal and Kalayan Singh vide registered sale deed dated 1.7.1976. The sale deed was executed by the plaintiff in favour of aforesaid persons since he needed money for payment of government debt and also for meeting house hold requirements of money. The original plaintiff expected that he would be able to return the money to the defendant no.1, Shyam Lal and Kalayan Singh after five years after adjusting the value of usufructs derived from the the land against the interest of Rs. 20,000/-Hence it was agreed in the agreement to sale executed on the same day i.e, 1.7.1976, that the land in dispute shall be sold back to the plaintiff after five years after payment Rs. 16,000/- only by the defendant no.1, Shyam Lal and Kalayan Singh. On the above understanding the sale deed dated 1.7.1976 was duly executed by the original plaintiff in favour of defendant no.1, Shyam Lal and Kalayan Singh . The period of five years in the agreement to sale was from 1.7.1976 to 30.7.1981 and thereafter five years period was provided as the time for execution of return sale deed. After expiry of five years on 30.7.1981, the original plaintiff requested the defendant no.1 Shyam Lal and Kalayan Singh to take Rs. 16,000/- from him and execute return sale deed in his favour but they failed. The plaintiff sent registered notices dated 25.10.1985 and 15.11.1985 to the defendant no.1, and legal heirs of