Dear Mahesh Pai,
Thanks for the reply. You are correct.
I finally got to the bottom of this issue some hours ago, after reading:
http://www.jwz.org/doc/threading.html
http://www.jwz.org/doc/threading.html
and made some trial and error postings. Some discussion about this went on at ILUGC also. If you are interested, please do visit:
http://www.aero.iitm.ernet.in/pipermail/ilugc/2003-December/thread.html
Regards, K. Ramanraj.