was cancelled only on 12.07.2000 and before the said date, she had already entered an agreement of sale in Ex.B3, dated 10.04.2000. Ex.A1 is the power of attorney. It is a registered power of attorney empowering the agent, namely, the first defendant to negotiate for sale of the suit property, to execute sale deeds and all other documents and deal with the suit property. Ex.B2 is the receipt which is issued by the plaintiff / Company in favour of the first defendant. The said receipt acknowledges a sum of Rs. 16,00,000/- said to have been paid as an advance for the suit property by the first defendant in and by 7 demand drafts, details of which have been set out in the said receipts itself. Receipt is dated 20.09.1996, which is prior to the power of attorney executed by the first plaintiff on 10.10.1996. The receipts also only mention that the said sum of Rs.16,00,000/- paid to the plaintiff is only towards advance. The said receipt does not indicate the actual sale consideration agreed upon between the parties and it also does not indicate as to what is the balance sale consideration payable by the first defendant. The agreement of sale is a registered document. In the said sale agreement, it is stated that the plaintiff has agreed to sell the suit property for a total sale consideration of Rs.16,00,000/- and received an advance of Rs.4,00,000/-, leaving the balance consideration of Rs.