India  |  Wills and Trusts

my grandfather had given properties both self made and ancestral to my mother and father through will , but father sold all those properties and bought new properties in his single name . now he is niether taking care of my mother and is not on speaking terms with any family member and also refusing to give her /our share in property therefore she wants me to get her share in properties so that she can also live respectfully in society . can she give me power of attorny to take possession of her share in houses/shops etc even though those are in single name of my father but were purchased by selling joint properties . pls advise what else can be done as my father has made fool of my mother/all family . can criminal case be lodged against him for cheating.