Washington, June 29 (PTI): Indian call centres continue to be the source of various frauds, the US government told lawmakers today and said American officials were training Indian law enforcement agencies to act against the fraudsters.

Lois C. Greisman, associate director, division of marketing practices, in her testimony before Senate Judiciary Committee said certain types of scams are more likely to impact older Americans.

Naming various areas of concerns, Greisman listed fraud calls originating from India as one of them. "Another area of international concern involves Indian call centres."