CBI’s Joint Director M Nageswara Rao, who is currently the interim CBI Director, was promoted to the rank of Additional Director by the Appointments Committee of the Cabinet. The 1986-batch IPS officer from the Odisha cadre had joined the CBI in 2016.
Before being appointed interim chief, Rao was No. 3 in the pecking order and was handling the Chandigarh branch along with certain branches in South India.
Source: News on AIR