Court case for section 156 against property purchase

we are buddhist-our family property was on our cousin name & our grand father, father name was not there in property.but still now property under us. now property was sold by cousin in sept 2013 and same property purchased by us in jan 2014. we are not aware about sait property sold till three year and she not told us. now property in our name 7/12 in our name.now he claiming and register case under 156 and act 418,420,468,471,34 still case in police station for investigation still oral statement. oral statement not completed. now what to do? can we get bail befor arrest (arrest will happen in this case or nor) can we refund these property or can we fite again on this case on what point? he asking refund in this case fist name cosin, 2 nd name our and 3rd name whitness pls suggest