My father sold house and made an agreement at the same time that if he or his heirs do not pay the money in 6 years time , then the buyer will become the absolute owner of the property.My father has passed away, we were not able to pay back the amount and now more than 13 years has been passed away and we are still in possession , but the buyer has got his name on local municipal government paper etc. Is there anyway I can get my property back because the buyer has filed a suit for eviction and injuction in the court .