anishm, welcome to FlyerTalk!
I won't repeat the answer I gave you here:
http://www.flyertalk.com/forum/showthread.php?t=638061
Also, please remember to only put your questions in one forum at a time. It helps keep things organized.
Sometimes using the search function can help you find answers for common problems. Unfortunately the "C" word comes up so often that you might be swamped with hits, but it's always worth a try anyway.