1. It should be a Regd GPA.
2. In October, 2011, SC ordered that no further transfer of property should be allowed through GPAs. Most states banned the use of GPAs for this purpose soon thereafter. But the Delhi government passed an order to this effect.
3. The power of attorney granted for execution and registration of documents is not to be mandatorily registered whereas if the sale deed has been signed by the owner and presented for registration by the power holder, then the PoA should be registered.
4. If others have equitable interest in the subject property, it allows interests that have not been conveyed by a deed to still be binding on future purchasers, through the doctrine of constructive notice.