Recently there are lots of news floating around H-1b being mis-used for promotion, hiring, layoff,vendor consultant hiring, politics inside Citigroup. Here is the press release for reporting these issues and you will get compensated:
https://www.oig.dol.gov/public/Press%20Releases/OIG-Press-Release-070826.htm
Reports may be submitted to the U.S. Department of Labor OIG Hotline: 1-800-347-3756 or https://www.oig.dol.gov/hotline.htm
If you have a peer who is H-1b, then you can claim your layoff was fraudulent if you can prove it with your contribution details and hierarchy details. Your management is also held responsible for invalid promotions, salary increments to H-1b