Hello,
i'm doing a project in video conference where the networking part of it is developed using python.can anyone tell me if i can use ASP.net as my front end(Core engine design) and how can i intergrate my front end with python coding..

http://ironpython.com/

You'll probably want to hook up a SOAP interface between ASP.net and Python.  See http://sourceforge.net/project/showfiles.php?group_id=26590&package_id=18246