A filed a suit against B for ejectment from his land. B had erected a building on that land. He set-up the plea of partperformance in defence. He produced an unregistered receipt for Rs. 12,000/- from A in his favour showing advance money towards the sole -piece of the land. He also filed a letter of A addressed to B, in which he promised to execute the sale deed after the return of his son from England. Decide.    (5 marks)