I got following reply from CIC today.
Dear Sir/Madam,
Please be advised that your application was received on July 20, 2011 and returned with all attachments on Sep 20, 2011 as the cap of NOC 1122 has been reached.
Please note: all returned applications are sent via regular mail to the mailing address as entered on the application form. There is no tracking number. Once the application is mailed, its delivery is the responsibility of the postal service.
Thank you for your interest in Canada.
CB
Bad news, but no problem, I will apply again. This was my 2nd attempt and many people believe that 3rd attempt has always a greater chance of success.
All the best to all the forum members.