Right of appeal to Securities Appellate Tribunal permitted for persons aggrieved by specified SEBI orders after amendment commencement. Amends multiple SEBI regulations by substituting their appeal provisions to allow any person aggrieved by a Board order made on or after the commencement of the Securities Laws (Second Amendment) Act, 1999, to prefer an appeal to a Securities Appellate Tribunal having jurisdiction; the amendment is made under section 30(1) of the SEBI Act and comes into force on publication in the Official Gazette.