How to cancel registered general power of attorney?
Since this is a registered general power of attorney it has to be revoked by deed of revocation which also has to be registered as the general power of attorney. As far informing the party in whose favour the general power of attorney was give is concerned that is up to you to do so as a mater of courtesy but in case the general power of attorney has been used officially by the person in whose favour it was made then you should inform the revocation of the GPA to the concerned authority. This information concerns the general power of attorney to be used in India.