regarding notry

A gift deed is a compulsorily registerable document.  Hence notarised gift has not valid.

Sir my grandparents have done a registered gift deed in my name by paying stamps of 8 lakh after they passed in 2020 my uncle broke the lock and have done kabza there.Last month we have done a notry or affedivit that i will do registry of half house on my uncles name but my uncle have not mention other terms and conditions in notry and have only written that i will do registry of half house in their name and i have done sign on it my question is that is that affedifit or notry have any value if i reject to do registry if i refuse to registry do notry have any value please answer can my uncle use any notry in any way .

The facts posted lack clarity. Please redraft and post.