A father (F1) expired leaving behind 5 heirs - 3 Sons - S1, S2 and S3 and 2 daughters - D1 and D2.  The daughters do not want any share in father's immovable property.  Can they relinquish their share in favour of all or any of the three sons.  If the relinquishment deed is registered, is it legally valid and the daughters or their heirs cannot claim anything later.  On the basis of such relinquishment deed, can the 3 sons enter into a partition agreement in any way without asking the daughters.

In case daughter D2 has also expired, whether the relinquishment deed would required to be made by all her heirs jointly or separately.  D2 has 5 heirs - husband and 4 children

Offcoursew regd., rights relinquish deed, but it is my advise that to avoid any future disputes it is better to file suit for partition and seperate possession and file a compromise memo in the court according to compromise decree will be passed.  Your sister will be present in the court and they will before the court.  It is the benefit.  Once they signted before the court they cannot dispute it.