The case has been filed by Layla Bolten, Gregor Handloser and two more employees. Bolten was hired as a tester, while Handloser was hired by Infosys in 2004 as a Sales Manager.
According to the lawsuit filed in the US District Court of Eastern District of Wisconsin, the former employees alleged that they were "excluded" from work conversations by their supervisors and co-workers who "regularly spoke in Hindi" in front of them.
Besides, Bolten and Handloser, the other two plaintiffs are Brenda Koehler and Kelly Parker. The case has been filed against Infosys Technologies Ltd, Inc and Infosys Public Services Inc. All the plaintiffs are US citizens.
The lawsuit was filed last year in October and Infosys had approached the court to quash the charges back.
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When contacted, an Infosys spokesperson said the charges were "false and baseless".
"Infosys is an equal opportunity employer. Ms Bolten and Mr Handloser have made various false and baseless allegations and we categorically deny their claims. We have filed a motion in court to dismiss their complaint by refuting all their allegations and we expect to prevail," the spokesperson said.
It further said: "While Handloser was employed, his supervisors and co-workers regularly spoke Hindi in front of him, excluding him from work conversations and removed positive statements about his work from e-mails before forwarding them on."
Bolten requested a promotion on multiple occasions including in more advanced testing fields for which she had considerable experience. Infosys instead promoted South Asian workers, the lawsuit claims.