Hindu father inlaw died intestate. Before partition between mother, son and daughter of deceased father's property , son died leaving his wife(widow) and 7 years daughter. now the mother and daughter alone sold unpartitioned property of deceased for to third person without giving share to son's wife (widow) and 7 years daughter. now can widow set aside sale deed and ask for due share for her and 7 years daughter as a guardian through partition in same case.