Purchasing property in the name of blood relation will not attract Benami Transaction Act. You have proof of transfer of funds. It is your self acquired property and it can be established. Execute a special power of attorney in favor freind or relative giving him power to mutate the property in your name. Get the SPA attested by Indian High Commissioner in U.K. Send the SPA to named person, he can get the property mutated in your name by Sub-Registrar. If any objection is taken by your relatives, you need to file civil suit seeking declaration of your ownership of property. Which will be granted by court.