once maintence is awarded n wife is taking maintence after one year again she had filed case under crpc127 for revised maintence 20000 rs.first court has order 2000 rs under crpc125.n husband is paying,order was x party.for revised can wife has to proof the income or only orally.no requied evidence or anyproof i mean bankstatement or asset etc based on oral court will fix or not.second wife has refused to stay with husband which is mention in the court evidence.can she get from 2000 rs to 20000 rs suddenly jumed this much.