Maintenance in dv act, how to pay ?

In Dv act case there has been an order to pay maintenance from the time of filing the case .( 30 days are over since judgement) The case had been filed many years ago . Now , Q1.how do i pay her maintenance ? i live abroad , for doing a bank transfer i need to know her bank account details. how do i get that ? can i pay the arrears in installments ? Q2.i am being told by my advocate that let her file recovery application , but , what i understand the recovery application is to be filed when she did not get maintenance . is it true ? what is the correct procedure ? Pls advise