Law related to right of daughter to claim the property of father

my mother is hindu.she wants to get fathers property.my mothers parent both passed away.land property belongs to my grandmother name.my mother have 6 siblings.total 7 member wants to get property. but problem is other siblings give some condition to my mother to get property.that is if my mother wants property she will have to stay there.she could not sell in future.if she want to sell then money have to divide to all of siblings.is there any law behind?? my mother wants property and want to sell in future or she wants money behalf of property.but other siblings dont want to give money.they give such type of condition.how can my mother proceed?please give me suggestion