1. ONLY a proper Stamp Duty paid (500/-) and Registered POA holder is entitled to execute any immovable property transaction before the local registrar of sub-assurances. IF the POA is not registered, THEN the whole proceedings shall remain illegal. POA can be given to "ANYBODY", irrespective of relationships.
NOTE: Notarized POA/GPA, is legally not tenable /acceptable by authorities, for immovable properties, as per a SC order.
2. POA may have strategic clauses and time limitations of the deal (payment terms, validity time period of the POA document ....), for safety of the POA giver.
3. POA can be registered "ANYWHERE" in India, before the local registrar of sub-assurances and shall be valid throughout India. Stamp Duty on POA is not the same as Stamp Duty paid on Sale /Purchase Deed.
4. POA document can be endorsed abroad by the local consulate office and SUBSEQUENTLY stamp duty paid and registered in India, for it to be legally enforceable.
5. IF person CANNOT go to Registrar office to register POA, THEN Registrar's officer can be requisitioned to visit home, to register POA, on payment of due fees by following due procedure of law.