Domestic violence suggestion

Hi my brother wife filed dv against us , she left the house in 3months marriage and did not allowed any physical relation with my brother, she left our house on her own, we filed divorce on oct15, post which she filed case against us on jan 16, there was an order passed for interium maintainence of 5k my brother earns only 18k, our lawyer did not attached the salary slip , we filed revision against the interium but our lawyer suggested ke afyer mediation he will take stay during mediation now the girl says either she wants to come back or wants 4lacs to widraw the case kindly suggest the best option, we have all her audio recording , we had also filled a letter against her when she was having consipracy when staying with us Also want to.know during mediation if she denied to the amount we are agreeing to pay what action next to be taken if we get ready to take her back to avoid maintanence which she is willing to come then will she again file the case or any false allegiation she can make The order was passed on may17 but till date we have not paid so how much amount we have to pay till date as the order is of rs 5k, is the amount to be paid is from date of order,and if we pay partially and due to some reason we pay it in installment does she will issue arrest against us as she keepa on threatning us if arrest.