This is the output that i am getting after adding use LWP::Debug '+'; in the script. 
LWP::UserAgent::new: ()
LWP::UserAgent::proxy: http http://(PROXY SERVER URL)/proxy.pac
LWP::UserAgent::request: ()
HTTP::Cookies::add_cookie_header: Checking ***.***.***.com for cookies
HTTP::Cookies::add_cookie_header: Checking .***.***.com for cookies
HTTP::Cookies::add_cookie_header: Checking ***.***.com for cookies
HTTP::Cookies::add_cookie_header: Checking .***.com for cookies
HTTP::Cookies::add_cookie_header: Checking ***.com for cookies
HTTP::Cookies::add_cookie_header: Checking .com for cookies
LWP::UserAgent::send_request: GET http://(INTRANET URL)
LWP::UserAgent::_need_proxy: Proxied to http://(PROXY SERVER URL)/prox
+y.pac
LWP::Protocol::http::request: ()
LWP::Protocol::collect: read 630 bytes
LWP::UserAgent::request: Simple response: Not Found
Error GETing http://(INTRANET URL): Not Found at test. pl line 20

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My first assumption is, it is not able to read proxy.pac properly.

In reply to Re^2: WWW::Mechanize -- not able to access intranet site by vishavp
in thread WWW::Mechanize -- not able to access intranet site by vishavp

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