Board's power to issue directions permits market access restrictions and divestment orders with hearing safeguards. The Board may, suo motu or on information or during inspections, inquiries or investigations, issue directions in the interests of investors or the securities market including restrictions on market access, orders to sell or divest securities, or other appropriate measures, subject to statutory powers under the Act and Companies Act; the person concerned must be given a reasonable opportunity of being heard, and interim directions may be issued with post-decisional hearing.