Which 8 tech companies has US suspended from Green Card programme?

The US has suspended eight technology companies, including four Indian firms, from its Permanent Labour Certification (PERM) programme, a key step towards employment-based Green Cards. The Indian firms are Infosys, TCS, Wipro and HCLTech. The other four firms are Microsoft, Adobe, Cognizant and Capgemini. The suspension comes amid multiple active federal investigations, according to US officials.