Nri power of attorney while in india

Hello, I am an NRI and currently in India for vacation. I have decided to buy a property now but due to loan processing, registration gets delayed and it's time for me to return to my abroad country. Everything will be finalized in next couple of weeks and ready for registration. As I cannot be here for registration in person, can I give the power of attorney to my father to complete the registration on my behalf. Loan is on my name and hence property needs to be registered on my name or on my behalf. Can we just visit registrar office and execute POA to my father for that specific property? Will that be enough to complete the transaction? Can NRI give POA while in India? Please advise.