Kproxy is a very efficient Proxy….
Type www.kproxy.com
In the dialog box that opens in kproxy,type
www.orkut.com….Orkut window opens….Log IN
But Intelligent Administrators can block Kproxy too…. Then use this trick
Find the Ip address of Kproxy…
Given here
http://62.193.235.46/
This will open Kproxy window…. Now proceed as usual
some good web proxies
www.kproxy.com
www.cooltunnel.com
www.atunnel.com

Most of the offices maybe running on Internet Explorer…Download Mozilla firefox 
        Install firefox on disc D,E or F( Disc C maybe password protected).
           Now open firefox and type
             http://images.orkut.com
                 or
        http://images3.orkut.com
       This opens the Orkut window.
NB: www.orkut.com maynot work because Orkut maybe blocked on all browsers.
http://images.orkut.com maynot work on IE.