1. Your or your father cannot be restrained of claiming your respective due share. I am sure the injunction is imposed on sale and not on getting your share.
2. To get back your share file a suit for partition if the same is not already filed wherein you can claim your due share.
3. Unless and until decree is passed the court is not going to lift injunction order.
4. However you may make out of court settlement and get a compromise decree passed about your respective share and boundary of the same.