Infosys commissioned law firm Gibson Dunn and consultancy Control Risks to look into allegations that a whistleblower made against the company in February.Those accusations included improprieties in the acquisitions of Panaya, a New Jersey-based automation technology provider, and Silicon Valley start-up Skava, as well as inappropriate compensation paid to Infosys Chief Executive Vishal Sikka.The whistleblower also accused Sikka of requesting that improper deals be made with customers, while saying that the company's mergers and acquisitions team acted without proper approvals