is there exist any setup that can be used to install the sharepoint that will be used offline? where can i get it??

You should check out below articles:

http://blogs.msdn.com/b/sambetts/archive/2013/11/22/installing-sharepoint-2013-offline-on-windows-server-2012-rtm.aspx

http://sharepoint-community.net/profiles/blogs/completely-offline-installation-of-sharepoint-2013

You can also use AutoSPInstaller tool developed by community from codeplex to help with the same:

http://autospinstaller.codeplex.com/

Hope this helps.