Procedure to escape from legal liability if used by other party

Sir, my property has been illegally possessed by the defendant and from Tishazari court, I got the decree in my favor in the case of the suit for recovery of possession and execution of the said decree is still pending or most propbly i will get possession in oct or nov with the help of the court and the issue is related to the pending electricity bill which is unpaid of Rs. 1, 82, 000/- and the bill was last demanded by the NDPL to defendent in 2013 and afterwards NDPL cut the electricity power supply of the property. Right now the defendant is having the electrcity connection by theft. the connection of the electrcity has been taken by the defendent with the help of the forged documents.which has been proved as the judge who gave the judgemnt clearly mentioned that the defendant having the documents are forged & fabricated.now the query is what step I shoud take so that i should escape from the liability tp pay the dues of the electricity bill.