Name

Sir i had one name in legal heir, after that i had changed my name, with out any gazzete, as i am uneducated, I enteered the new name into aadhar, and pan card, my father expired around 26years back i am only son to my parents, now as property is in my father name only, now my mother want to gift or release the property, how can we give ny new name in property documents, can we write alias or we have to make one and only affidavit, for future if I want to go for loans or etc. What is the procedure