1) sale of minor share needs court consent .
2)minor daughter should on attaining majority ought to have move court to set aside sale
3)once property is sold title passes on buyer . mother daughter could not have sold property again . i presume earlier sale was by regd sale deed
4) file criminal complaint of cheating criminal breach of trust against the mother
5)purchaser of property should file declaratory suit that he is the owner of the property and to set aside mutation done in favour of subsequent purchaser in 2013