SEBI's Preamble and the departments that divide the work of regulating the securities market
Background
The Preamble of the Securities and Exchange Board of India sets out its basic functions as "...to protect the interests of investors in securities and to promote the development of, and to regulate the securities market and for matters connected therewith or incidental thereto".
The Corporation Finance Department deals with issuance and listing of securities, corporate governance and accounting and auditing standards, corporate restructuring through takeovers and buy backs, the Social Stock Exchange and delisting.
The Alternative Investment Fund and Foreign Portfolio Investors Department handles Alternative Investment Funds, Venture Capital Funds, Foreign Venture Capital Investors, Foreign Portfolio Investors, Designated Depository Participants and Custodians.
The Department of Debt and Hybrid Securities is responsible for corporate bonds, listed debt securities, Real Estate Investment Trusts and Infrastructure Investment Trusts.
The Enquiries and Adjudication Department handles quasi-judicial matters and provides hearings in matters within SEBI's disciplinary jurisdiction.
The Integrated Surveillance Department monitors market activity through market systems, data from other departments and analytical software.
In plain words
REIT Real Estate Investment Trust — Handled at SEBI by the Department of Debt and Hybrid Securities.
FPI Foreign Portfolio Investor — Handled by the Alternative Investment Fund and Foreign Portfolio Investors Department.