Sale deed registration/conveying property through notarized gpa of wife in favouring her husband.

Insofar as the transaction pertaining to an immovable property is concerned,  it is mandatory to execute the transaction by a registered deed. 

Therefore the husband cannot execute the sale deed on behalf of his wife on the basis of the unregistered GPA. 

Husband can not execute sale deed on behalf of his wife on basis of unregistered/notarized Power Of Attorney .