1. It's better to bring all the movable and immovable properties under the Family Settlement Deed. However, it can also be done for some properties also.
2. If Sisters are ready to relinquish their shares in your favour, then let them execute a registered Release Deed relinquishing their individual share in your favour in the Office of the Sub Registrar.
3. To get legal validation of the property, registration is a must. Unregistered document or Release ( Relinquishment ) Deed will not be admitted as a legal document in Court.
4. Whatever money or without money, your sisters are ready to accept, can be mentioned in the Release Deed.
5. If some co-owners relinquish their shares in your favour, the deed will be called as Release or Relinquishment Deed, which can also be called as family settlement deed.