Looks like I am not the only one who is duped by Tata Indicom Broadband.
Earlier post on this topic : http://shamit.org/dpal/?q=Tata+Indicom+Broadband%2C+A+Nightmare
This is what a quick search turns up.
http://blog.taragana.com/index.php/archive/tata-indicom-broadband-connec...
http://www.sandipb.net/blog/archives/2005/08/01/pathetic-tata-indicom-br...
http://sifybroadband.techwhack.com/239/tata-indicom-broadband-user-exper...
http://www.sourabh.net/index.php/2006/05/24/tata-indicom-broadbands-new-...
http://clearway.blogspot.com/2007/05/against-tata-vsnl-broadband-scam.html