India, Nov. 14 -- The US Department of Labor's Office of Inspector General (DOL OIG) has warned that more colleges and companies could be suspended from the PERM labour certification and H-1B visa programmes as it steps up investigations into alleged immigration fraud.

Inspector General Anthony D'Esposito said the department would continue to pursue investigations and hold those responsible accountable, adding that further suspensions were expected.

"We're going to continue to work as hard as we can. We're going to continue to be as aggressive as we possibly can in our investigations and we are going to continue to hold these individuals accountable," D'Esposito said in a video message shared on Friday.

He added that "some more college...