Infosys Ltd said on Tuesday it was probing allegations of "unethical practices" by Chief Executive Officer Salil Parekh after receiving whistleblower complaints last month, sending its shares into a tailspin.
One of the complaints "largely deals with allegations relating to the CEO's international travel to the U.S. and Mumbai," Infosys Chairman Nandan Nilekani said in a statement.
Infosys shares plunged 16 per cent on Tuesday, marking their worst intraday drop in over six years. The allegations come just two years after India's number two software services firm endured a shakeup that saw its top boss Vishal Sikka leave the company.
As per reports on Monday an anonymous group sent letters to Infosys' board and the U.S. Securities and Exchange Commission alleging that the company was taking "unethical" steps to boost short-term revenue and profit.
The group alleged that Parekh was bypassing reviews and approvals for large deals, the report added.
Reuters was not able to independently review the letters.
Infosys said it placed the complaints received in September before the audit committee on October 10, and before the non-executive members of the board on October 11.
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The complaints are being dealt with in an objective manner, with the CEO and Chief Financial Officer Nilanjan Roy recused from the matter, it added.
The audit committee has retained the law firm of Shardul Amarchand Mangaldas & Co. to conduct an independent investigation, and the company's board will take appropriate steps based on the outcome of the investigation, the company said.