in module i access this variable by using the use vars qw($s); But In case of Response module this "s" variable is not access.

In which module? If it's module, say, Module, you can access the $s variable from within module Response as $Module::s. No need for typeglobs.

Where i lack something

Read this node and follow the links.

--shmem

_($_=" "x(1<<5)."?\n".q·/)Oo.  G°\        /
                              /\_¯/(q    /
----------------------------  \__(m.====·.(_("always off the crowd"))."·
");sub _{s./.($e="'Itrs `mnsgdq Gdbj O`qkdq")=~y/"-y/#-z/;$e.e && print}