categories menu appeart two times in my site

[thanigaivelr]

In my site the category list and menu lists are appearing two times.

 

I don't know the reason..please help me someone to get the answer.

 

Thanks in advance.

 

the link given below is the screen shot of the page with two menus.

 

http://developerdemo.com/menu.png

Edited August 21, 2014 by thanigaivelr (see edit history)