If you mother put it in her name, it is hers and not part of your mothers estate. It is not your inheritance. You can sue your half sister claiming your mother didn't want to do that and was coherst into doing so. But if your mom is still alive and is in her right mind and defends what was done, then I believe your out.
According to the information at the link provided below Ghana follows matrilineal inheritance so property and hereditary positions, such as the Kingship, are carried along the mothers bloodline. The primary monarchy (largely symbolic now, as Ghana has an elected president) is still usually a King, but if he dies his son does not become king: His brother, or his sisters son, will become king because they follow the mothers bloodline.
Mothers brother ( uncle ) = amoo
brother
uncle
Your Uncle.
The word for uncle in Hindi is "चाचा" (chacha) for father's brother and "मामा" (mama) for mother's brother.
she didn't want her mother to get her clues
Your mother's son is your brother or your half brother.
A cousin brother means , the son of the father or mothers , brother or sister.
papu
mamo
your uncle