My brother gave away his son in adoption to his maternal grandfather,when he was a minor.The boy inherited the property from adopted father,after atttaining majiority.Then again my brother gave him some landed property out of his own share in ancestral property,by a will,duly approved by civil court by a probate.Now this son(adopted),is claiming his share in the remaing immovable property of my brother.
Does he have a right to claim such share now?