G.S. Sarraf, J.—This D.B. Civil Special Appeal has been preferred by the defendant against the judgment and decree dated 12.11.1990 of learned Single Judge of this Court.

2. The defendant appellant purchased a plot No. D2, Raman Marg, Tilak Nagar, Jaipur from the then Urban Improvement Trust, Jaipur and constructed a house over it after taking a loan of Rs. 25,000/- from the Government of Rajasthan. The house was then given on rent to the Reserve Bank of India. The defendant appellant entered into an agreement (Ex.2) with the plaintiff-respondent on 17.10.1972 for the sale of the above plot alongwith all the constructions for

Rs. 75,000/- and towards that transaction the plaintiff-respondent paid an advance of

Rs. 10,000/- to the defendant appellant. The sale deed was to be executed within three months from 17.10.1972 and the balance of the sale price was to be paid at the time of registration of the sale-deed. It was also agreed that the vendor and the purchaser would not be entitled to refuse to sell or buy the property and if the vendor refused to sell then he would pay double the advance money to the purchaser and if the purchaser refused to buy then the vendor would b