Section 19(2) in The Delhi Electricity Regulatory Commission Comprehensive (Conduct Of Business) Regulations, 2001
(2)The Commission may direct the summoning of the witnesses, discovery and production of any document or other material objects producible in evidence, requisition of any public record from any office, examination by an Officer of the Commission the books, accounts or other documents or information in the custody or control of any person which the Commission considers relevant to the matter.
