You have not stated in your query as to whether the property is the self purchased property of your parents, or ancestral property. Has any will been made by your parents respecting this property? If it is the self purchased property then you have a fixed and inalienable share in it which you can cull out through the process of court by taking recourse to law unless your rights therein have been ousted by a will made by your parents.
On the contrary, if the property is ancestral then also you have, as to day, a fixed share therein which can be got separated by you through the court.
Before embarking on the voyage to cull out your share it will be wise on your part to consult a lawyer to ascertain if the property is ancestral or self purchased and also whether any legal instrument was made by your parents respecting this property as your rights will be subject to it.