url rewriter works fine in iis7, but some setting have to be involved in it,
some setting for isapi filter have to be added in the virtual directory's properties.
the
above trick solved the issue to an extent that the actual handler url
started giving the response. the rewritten urls were still not
responding and loading forever. I tried adding wildcard script mapping
but to no avail.
I found a blog post suggesting me to use
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\aspnet_isapi.dll instead
of C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_isapi.dll and
it started working on the server