Your parents can do whatever they wish with their self acquired property, on which you have no right at all. In case of self acquired property, your parents by executing the Will have right to dispose of the property to anyone. If they die without making a Will, then according to Section 10 of the Hindu Succession Act, 1956 gives in detail the list of Class I heirs who are to be given the first preference while dividing the property of the deceased. But in the case of ancestral property you can claim right. On ancestral property you have equal right along with other legal heirs of the said property. Property inherited upto 4 generations of male lineage (i.e., father, grandfather, etc.) is called as ancestral property. The right to a share in such a property accrues by birth itself, unlike other forms of inheritance, where inheritance opens only on the death of the owner. what has been inherited by their respective predecessor. With respect to ancestral property with the amendment in 2005 in Hindu Succession Act the daughters are entitled to equal inheritance rights along with other male siblings, which was not available to them prior Hindu Succession Act . “The new Section 6 provides for parity of rights in the coparcenary property among male and female members of a joint Hindu family on and from September 9, 2005. “According to the new Section 6, the daughter of a coparcener becomes a coparcener by birth in her own rights and liabilities in the same manner as the son. The declaration in Section 6 that the daughter of the coparcener shall have same rights and liabilities in the coparcenary property as she would have been a son is unambiguous and unequivocal,” which has been pronounced by various judgment.