Sale Agreement For Sale Of Property Under Construction Does Family Settlement Agreement Carries Equal Value As Registry Of The Property?

Does family settlement agreement carries equal value as registry of the property? - sale agreement for sale of property under construction

My father had some years ago my uncle had 20 introduced. Then an act was done, but it was not legally registered. Now we want to register under the name of my father. Can a family gettingh sighed Regulation, be the same as the registration. What is more safely and legally correct. Please let me know the complete procedure for solving the family, and the process documentation and the associated costs and get to registration.