As per Section 12A of SEBI Act, which of the following is prohibited?
I.        Engagement in insider trading
II.        Employing any device, scheme or artifice to defraud in connection with issue of securities
III.        Acquire control of any company or securities more than the percentage of equity share capital
IV.        Engagement in any act, practice which operates as fraud or deceit upon any person, in connection with the issue of dealing in securities

Section 12A of SEBI Act - Prohibition of manipulative and deceptive devices, insider trading and substantial acquisition of securities or control.—No person shall directly or indirectly— (a) use or employ, in connection with the issue, purchase or sale of any securities listed or proposed to be listed on a recognised stock exchange, any manipulative or deceptive device or contrivance in contravention of the provisions of this Act or the rules or the regulations made thereunder; (b) employ any device, scheme or artifice to defraud in connection with issue or dealing in securities which are listed or proposed to be listed on a recognised stock exchange; (c) engage in any act, practice, course of business which operates or would operate as fraud or deceit upon any person, in connection with the issue, dealing in securities which are listed or proposed to be listed on a recognised stock exchange, in contravention of the provisions of this Act or the rules or the regulations made thereunder; (d) engage in insider trading; (e) deal in securities while in possession of material or non-public information or communicate such material or non-public information to any other person, in a manner which is in contravention of the provisions of this Act or the rules or the regulations made thereunder; (f) acquire control of any company or securities more than the percentage of equity share capital of a company whose securities are listed or proposed to be listed on a recognised stock exchange in contravention of the regulations made under this Act.