Maternal grandmother re-married can we get our share from her property

My paternal grandmother has two sons and two daughters.I am daughter of elder son of my paternal grand mother.My paternal uncle married my cousin (my paternal aunts daughter) in 2007.My grandmother has 9 acres of land.In this 9 acres of land 8 acres is distributed to his two sons equally(4 acres each).The remaining land is on my grand mothers name for her maintenance. In 2015,my paternal uncle died due to illness.He has no children.After the death of my uncle,my uncle wife shifts the property(including my paternal grand mother property) of my uncle to her name by my grand mothers permission and with out asking the permission of my father(she said that,she takes the maintenance of my grandmother and not married to anyone).In 2017,she(my paternal uncle wife ) decided to marry to someone and she said that, she does not take care about the maintenance of my paternal grandmother.she married recently in April2017. Who gets her property?