Adding Visual WebPart to Master Page Sharepoint 2013

Hi,

I added a Visual Webpart to Master Page from Sharepoint designer. The issue is that I can see the Webpart onlywhen signed in as System Account, If I login as any other user I'm unable to see it. 

In visual webpart I build a Menu from cusotm list in sharepoint. I also tried using RunWithElevated Priviliges. Not sure if I used it correctly But here is the code:

        SPSecurity.RunWithElevatedPrivileges(delegate()
            {
                GetMenuData();//will contain code to get parent and child items of menu.
            });

Kindly, provide your suggestions.