The agency is carrying out searches at 17 locations in Delhi, Mumbai, Bangalore, Chennai, Hyderabad and Khammam today.
The agency has registered case against Income Tax officials Mittal, Additional Commissioner (exemption) Bangalore T N Prakash, Deputy Commissioner (Investigation) Chennai S Murali Mohan, Commissioner (audit-2) Chennai Vijayalakshmi, Additional Commissioner Mumbai S Pandian, Commissioner (DR) ITAT Mumbai G Lakshmi Baraprasad, Additional Director General (systems-4) Ghaziabad Vikram Gaur and Additional Director (investigation) Mumbai Rajendra Kumar, CBI sources said.
It is alleged that these officials were availing favours including stay, conveyance and flight travel at the expense of the chartered accountant and his sons and helping him in the cases of his clients as quid pro quo.