Elder brother preventing us from doing construction on property

My father has three brothers including him.My father's maternal grandmother had gifted her lands to my father elder brother when my father and other brother were not born. Offlate long case was fought over land between our family and other shareholders of maternal grand mother.My father fought the case and was one of the party in the dispute. Finally the case was won by my father. My father expired last year and his elder brother has greed over the property and preventing us from any construction on the property. Dakhil kharij and partion were already done by my father and elder brother has signed the punchnama of partition. I would like to know the remedy.