SEBI is the regulator for securities markets in India. The document outlines several new guidelines from SEBI regarding public issues and listings on stock exchanges. SEBI has proposed a dedicated SME board for trading shares of small and medium enterprises. It has also made IPO grading compulsory, changed norms for employee reservations in IPOs, and requires minimum 50 investors for SME listings. The guidelines aim to help small companies raise funds and provide more transparency for investors.