No it is not. It is your personal life, untill you don't pay the maintenance amount and your wife approaches court for recovery of her arrears or pray for attachment of your salary by filing a miscellaneous execution petition!
Remember that only criminal offenses, filed before PS and where charge sheet is filed with such FIR No, may adversely affect the police report. The general point in application is Are you convicted, or any criminal cases are pending against you. The police report comes after being successful in written test, interview, as last step. So, please focus on examination and to come out with flying colours and without any doubts.