The correct option is D SEBI
The Securities and Exchange Board of India is the regulator of the securities and commodity market in India owned by the Government of India. It was established in 1988 and given Statutory Powers on 30 January 1992 through the SEBI Act, 1992. The various functions of SEBI are to protect the interests of investors in securities market , to promote the development of securities market, to regulate the business in stock exchanges and any other securities markets, to promote and regulate self-regulatory organizations