I have registered a complaint against sify in the consmer forums. It would help if more people join in. I heard from a friend that this forum is worth applying to.
This is the site http://www.consumeronline.org/guest/complaint/default.asp
Make sure that u give all the required info.
This is the site http://www.consumeronline.org/guest/complaint/default.asp
Make sure that u give all the required info.