Central database of market participants: establishes a regulatory framework for creation, phased commencement, and later repeal is recorded. These Regulations establish a framework for a central database of market participants, enacted under the Board's statutory powers, and are titled as the Securities and Exchange Board of India (Central Database of Market Participants) Regulations, 2003. The text contains a commencement provision authorizing the Board to specify commencement dates, including differing dates for different provisions and construing references to commencement accordingly; the provision recording the short title and commencement was later repealed by notification.