CBI has arrested an IRS officer for allegedly receiving bribes from the perpetrator of the StockGuru scam, Ulhas Prabhakar Khaire. CBI sources said Yogendra Mittal, a 2006-batch IRS officer who was posted as the Deputy Commissioner of Income Tax, was arrested on the allegations that, as the ADIT-Income Tax, he had received illegal gratification worth crores of rupees from Khaire in exchange for an assurance that he would settle his case.