What to do if property is given on lease without permission of owner

my house has been given to lease for 1,75,000 .without my agreement .my grand mother give to there relative and taken money .now she is say she took these money for my education .now i am 29 .she lie she has not given these money to me .i am Muslim girl married to christian man .so they did and ask money from me.when i was minor that property was also have her name because i am minor .years passed now also they are using that by given for rent and lease .if i want to stay i have to give money and take .i did nt have money to give or do case in court .what i can do .i have give in police station ,for robbery of property paper and property also.