1. Firstly the POA deed should have been executed through a registered document, then the schedule of property has to be mentioned in the registered POA deed authorising the power agent to sell the schedule mentioned property, a life certificate should be obtained in respect of the Principal of the power deed executed by him to prove that he is still alive as on the date of execution of this registered sale deed on his behalf.
If the above conditions are satisfied the power agent can execute the registered sale deed in favor of the prospective purchaser.
2. If the property belonged to the Principal and he only executed the registered sale deed, he first has to cancel the registered POA deed given in favor of his daughter, if she refuses to cooperate for cancelling the POA deed, then he can issue a public notice through a local newspaper stating tht the power of attorney deed given in her favor stands cancelled and she is no more authorised to act as his agent.
He can execute the registered sale deed subsequently in favor of the buyer directly.
3. The daughter in the capacity of the power agent shall be executing the registered sale deed, hence the owner of the proeprty shall remain a owner only who has authorised his agent to sell the property on his behalf.