Comment box in my blogspot theme went missing can you help me with the code

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Hi I did some editing in my blogger theme some time ago after which i added intense debate now i dont know how what has happened, i dont see the comment box.

Can someone help me with the code

I am using this theme

http://www.blogmundi.com/plantillas/is_simple.zip

and this is my blog ==> bollynasha.blogspot.com

Thanks

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Where is the comment box meant to be on your site?

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