Section 40(3) in The Foreign Exchange Regulation Act, 1973
(3)All persons so summoned shall be bound to attend either in person or by authorised agents, as such officer may direct; and all persons so summoned shall be bound to state the truth upon any subject respecting which they are examined or make statements and produce such documents as may be required:Provided that the exemption under section 132 of the Code of Civil Procedure, 1908 (5 of 1908), shall be applicable to any requisition for attendance under this section.