References:
1. This is a very popular classifieds service where many of these shady consultancies advertise free job training opportunities with free boarding etc. : http://ittraining.sulekha.com/itcourses
2.http://www.scholarshipforusa.com/2009/01/the-truth-about-ind....
3. This website has reviews of many such companies: http://goolti.com/faq.php, http://goolti.com/
4.http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f...