Dear Sourabh,
User status already asigned to network type that why we came to know that user status settings are not working.
To craete the PR always we have to mantin the "Immidiatelly" in setting of field 'Res./Purch.req.' (CAUFVD-AUDISP) in control tab of network.
PLease replicate the sceneraio to know the system behaviour.
Regards,
Pradeep