Father in law doing land fraud in my name

My father in law is a property dealer and used to purchase / sale lands in my name 1 and more times. He purchased a land in my name That land was illigal and purchaser not fond its complete possession. they filled case against me in 2014, father in law' same is sub- accused. I had no idea / information of all that, they use me only for signature. i have not get a single penny from these sale / purchase. All in the hand of my father in law. from starting my relations was not gud with my husband and in laws, and now finnaly i filled a DV / maintenance / case against them in 2018. Every time when i asked them about all these they thretend me to not ask any question aboust this case, The above case in on stay right now. pls advice what whould i do in this situation. ???