NBWs CRPC 125

My brother is regularly paying maintenance of Rs.4000 PM to his child. The wife intentionally admitted in a reputed school of Fees. 16,000 PM and only education arrears are pending and NBWs are issued. His income is Rs.15000/ as he is working in a small company and all records are there. Now 1) shall he file modification order u/s 127 CrPC retrospectively and warrants recall petition in the same family court ? or Go to high court for revision of the interim maintenance order which was issued in 2018 with condone delay. the order is to pay educational allowances actually