Section 6(4)(d) in The Securities Contracts (Regulation) Act, 1956
(d)every other person or body of persons who has had dealings in the course of business with any of the persons mentioned in clauses (a), (b) and (c), whether directly or indirectly; shall be bound to produce before the authority making the inquiry all such books of account, and other documents in his custody or power relating to or having a bearing on the subject-matter of such inquiry and also to furnish the authorities within such time as may be specified with any such statement or information relating thereto as may be required of him.