Infosys said on Wednesday it "strongly condemns the mischievous insinuations" made by anonymous sources against the co-founders and former colleagues. The statement from the country's second largest IT services exporter comes amid whisleblower complaints alleging certain "unethical practices" and accusing accused CEO Salil Parekh of leading an effort to shore up profits through irregular accounting. Shares in Infosys jumped nearly 4 per cent after the release of the statement.