Hindu succession act

Sir, father purchased land....therafter daughters executed released deed in favour of father in 1994 ...during life time of father father given application to city survey office to mutate name of his only son excluding daughters as they have executed release deed.... father and mother and son also died in 2005 leaving behind daughter in law (sons wife) and daughters who had already released right in the property in year 1994....now daughter's claiming their right in the proprty...can they claim their right ... they have already executed release deed.... My question is 1. Can daughter claim share in the property with their brothers wife I.e daughter in law as heirs? Or daughter cannot claim property as they have executed release deed? 2. Can daughter file suit for partition? 3. What is the effect of release deed? Answer with case laws will be highly appreciable. ...thanks in advance