These cases are not valid since you have already been divorced. Let the dowry and domestic violence. Fight the case on merits and state everything in detail before the court supported by valid admissible evidence in favour of your version of truth. file a case for custody of the child mentioning the welfare of the child to be the paramount condition and child woud not be able to grow in an environment which is not stable. further, file a complaint against the wife for filling false cases. once separation is granted by the court, domestic violence case is anyways not valid.