As stated by you if you have won the property dispute case, if the property was not in your possession, you should have file an EP for taking possession and if necessary by taking the help of police force. Have you done that?
If he has sent a notice and occupied forcibly into the property, a contempt of court as well as criminal trespass can be filed against him.
You can also file a suit for mandatory injunction against him and also an application for evicting him from the property and hand over vacant possession.
Consult your lawyer and decide further course of action.