Summoning and examination of witnesses authorised: inquiring authority empowered to compel attendance of specified witnesses in a departmental inquiry. The Central Government authorises the inquiring authority under sub-section (1) of section 4 of the Departmental Inquiries (Enforcement of Attendance of Witnesses and Production of Documents) Act, 1972 to exercise the powers specified in section 5 to summon, enforce attendance of, and examine on oath ten named witnesses in the departmental inquiry relating to Shri Sailendra Mamidi, Principal Commissioner of Income Tax (Retd.).