Modules not visible in admin panel

[StudentDev]

I have this Structure but the module is not visible. in admin panel

This is .xml 

<?xml version="1.0" ?>
<config>
    <modules>
      <TutsPlus_Demo>
        <active>true</active>
        <codePool>local</codePool>
      </TutsPlus_Demo>
    </modules>
</config>

[Mukesh Tiwari]

Hi @StudentDev 

where is this xml file located?

[StudentDev]

under app/etc/modules can check on github https://github.com/vishalpardeshi/magento_E-com_Application

[qaisar_satti]

hi @StudentDev

   I test you code it is working fine module is showing in system > configuration > advanced  click on Disable Modules Output here are is your module listed. If you are not seeing your module kindly follow this

1. Disabled the cache
2. delete var/cache folder

3. Make sure file have proper permission