you can file H1B complaint

1.
Here is the form:
http://www.dol.gov/esa/whd/forms/wh-4.pdf
here is the addres to mail your form:
http://www.dol.gov/esa/whd/america2.htm


2. Lawyer cost a lot of money. You can interview them by yourself. Find a lawyer who can take contingency. That is your best deal.