Thank You for the suggestion, it has been incorporated based on your suggestions.
New members would now need to enter their real name while registering. Those of you who want to display Real name should visit their user control panel > Edit Options > Thread Display Options > Enter your real name.
If you leave it blank, it will not display anything.
Here is the direct link to edit options:
http://www.rtiindia.org/forum/profile/edit-options/
Thank You once again for the suggestions.