SEBI — the Securities and Exchange Board of India — is the statutory regulator of India’s securities and commodity markets, charged with protecting investors, developing the market, and policing the conduct of every issuer, intermediary and trader who touches a listed instrument. Set up as a non-statutory body in 1988 and granted statutory teeth by the SEBI Act, 1992, SEBI today supervises a market whose total equity capitalisation crossed ₹450 lakh crore in early 2026, with more than 17 crore active demat accounts. For UPSC GS-III, SEBI is the textbook example of a domain regulator that fuses quasi-legislative, quasi-executive and quasi-judicial functions in a single body, alongside peers like the RBI’s monetary policy committee on the banking side.
Origins and Legal Basis
SEBI was first constituted in April 1988 as a non-statutory administrative body in response to the unregulated boom of the mid-1980s primary market, when fly-by-night issuers raised crores from retail investors and vanished. The Harshad Mehta securities scam of 1992, in which bank receipts were misused to channel money into stock prices, exposed how toothless the existing framework was.
Parliament responded with the Securities and Exchange Board of India Act, 1992, which converted SEBI into a statutory body with effect from 30 January 1992. The same Act repealed the Capital Issues (Control) Act, 1947, ending the office of the Controller of Capital Issues and shifting from a merit-based approval regime to a disclosure-based one. The preamble to the SEBI Act fixes three objectives that still drive every order Mumbai-headquartered SEBI passes:
- Protection of the interests of investors in securities.
- Promotion of the development of the securities market.
- Regulation of the securities market.
SEBI’s jurisdiction was further widened by the Securities Laws (Amendment) Act, 1995, which gave it powers of search, seizure, and summons, and by the 2014 amendment that authorised it to pass disgorgement orders, attach property and recover dues as arrears of land revenue.
Composition of SEBI
The structure of SEBI is laid down in Section 4 of the SEBI Act:
- Chairperson — appointed by the Central Government.
- Two members — from among officers of the Union Ministry of Finance.
- One member — from the Reserve Bank of India.
- Five other members — of whom at least three are whole-time members, also appointed by the Central Government.
The Chairperson and whole-time members serve five-year terms or until age 65, whichever is earlier. The selection is done by a search-cum-selection committee headed by the Cabinet Secretary. Headquartered at Bandra-Kurla Complex, Mumbai, SEBI has regional offices in Delhi, Kolkata, Chennai and Ahmedabad and local offices in over a dozen state capitals.
Functions of SEBI
SEBI’s functions, listed in Section 11 of the SEBI Act, fall into three buckets that mirror its statutory roles:
Regulatory Functions
- Registering and regulating stock exchanges, depositories, clearing corporations and intermediaries — merchant bankers, brokers, sub-brokers, portfolio managers, investment advisers, credit-rating agencies, mutual funds, FPIs, AIFs and REITs/InvITs.
- Prohibiting fraudulent and unfair trade practices, insider trading, and substantial acquisition of shares without disclosure.
- Calling for information from, undertaking inspection of, and conducting inquiries into the affairs of any intermediary or listed entity.
Developmental Functions
- Promoting investor education and training of intermediaries.
- Permitting and regulating self-regulatory organisations like AMFI for mutual funds.
- Pushing technological adoption — UPI for IPO applications, T+1 settlement, online dispute resolution platforms.
Quasi-Judicial Functions
- Adjudicating violations through Adjudicating Officers under Sections 15-A to 15-HB.
- Passing disgorgement orders, debarment orders and monetary penalties up to ₹25 crore or three times the profits made, whichever is higher.
- Hearing appeals against decisions of stock exchanges and registrars.
Appeals from SEBI orders lie to the Securities Appellate Tribunal (SAT) in Mumbai, and further on questions of law to the Supreme Court.
Recent Reforms by SEBI
SEBI has delivered some of the fastest, most consequential market reforms of the last decade.
Faster Settlement Cycles
India became the first major market to fully implement T+1 settlement across all listed equities in January 2023, ahead of the United States. SEBI in 2024 launched an optional T+0 (same-day) settlement pilot for 25 large-cap stocks, with a roadmap to extend the universe and to introduce optional instant settlement by 2026. The shorter cycle reduces counter-party risk, frees up margin and significantly lowers the working-capital cost of trading.
Application Supported by Blocked Amount (ASBA)
The ASBA mechanism — under which an investor’s IPO subscription amount is blocked in the bank account rather than debited — was made mandatory for all retail public-issue applications. From January 2024 SEBI extended ASBA to the secondary market for cash-segment trades on an opt-in basis through the UPI block mechanism, eliminating the need for upfront fund transfer to brokers.
Mutual Fund Lite Framework
In December 2024 SEBI notified the Mutual Funds Lite (MF Lite) Regulations to lower entry barriers for passive-only asset managers. Net-worth and infrastructure requirements are sharply reduced, with the expectation of broadening the AMC industry from the current 44 players to 60-plus and pushing down expense ratios on index funds and ETFs.
Surveillance Frameworks
SEBI maintains the Additional Surveillance Measure (ASM) and Graded Surveillance Measure (GSM) lists, under which stocks showing abnormal price-volume movements or weak financials are placed in higher-margin trade-for-trade segments. These lists are revised periodically and have become a key tool against pump-and-dump operations in small-cap counters.
Other Recent Moves
- Tightening disclosure rules for Foreign Portfolio Investors with concentrated India exposure (October 2023).
- Introducing a regulatory sandbox for fintech innovation in securities markets.
- Mandating online dispute resolution (ODR) through the SCORES 2.0 portal for retail grievances.
- Permitting same-day NAV for liquid mutual fund subscriptions and redemptions.
Landmark Cases Involving SEBI
SEBI’s regulatory record is best read through its enforcement actions, which now run to thousands of orders a year.
Adani-Hindenburg Investigation
Following the January 2023 short-seller report by Hindenburg Research, SEBI was directed by the Supreme Court to investigate allegations of stock-price manipulation and related-party transactions by the Adani Group. SEBI filed multiple status reports and concluded most of its 24 investigations by mid-2024, finding violations on disclosure norms in select cases while clearing the group on the broader manipulation charge. The episode underscored both SEBI’s investigative capacity and the difficulty of probing complex cross-border ownership structures.
Karvy Stock Broking
In November 2019 SEBI banned Karvy Stock Broking from taking new clients after finding that the firm had pledged client securities worth over ₹2,000 crore to raise funds for its real-estate business. The case prompted SEBI to mandate the client-level segregation of collateral and the rule that brokers cannot pledge client securities except through the formal margin-pledge system — a structural reform that reshaped intermediary risk practices.
NSEL and the Co-Location Case
In the National Spot Exchange Limited (NSEL) settlement crisis and the NSE co-location case — where certain brokers allegedly received preferential access to exchange servers — SEBI passed disgorgement and debarment orders against multiple entities and exchange officials, several of which were subsequently litigated through SAT and the Supreme Court.
SEBI and Other Regulators
SEBI is not the only financial regulator. Its remit is the securities market; banking is regulated by the RBI which also sets the cash reserve ratio; insurance by IRDAI; pensions by PFRDA; and rural credit refinance by NABARD. Inter-regulatory coordination happens through the Financial Stability and Development Council (FSDC) chaired by the Finance Minister. SEBI’s fiscal position — operationally self-funded through fees on intermediaries and issuers — means it does not draw from the Consolidated Fund and is therefore not part of the fiscal deficit computation.
Challenges Ahead
SEBI’s biggest challenges are structural. Algorithmic and high-frequency trading account for an increasing share of cash-segment turnover, raising questions about market microstructure fairness. The explosion of retail F&O participation — small investors writing options without understanding tail risk — has prompted SEBI to tighten product suitability rules and raise lot sizes from October 2024. The regulator must also contend with crypto-adjacent products, finfluencers operating outside formal registration, and the growing complexity of FPI ownership chains. Capacity-building — both in technology and in specialised legal talent — is the unstated reform of the next decade.
Frequently Asked Questions
When was SEBI established as a statutory body?
SEBI became a statutory body on 30 January 1992 under the SEBI Act, 1992, having existed since April 1988 as a non-statutory administrative body.
Who appoints the SEBI Chairperson?
The Central Government appoints the SEBI Chairperson on the recommendation of a search-cum-selection committee headed by the Cabinet Secretary. The term is five years or until age 65, whichever is earlier.
What is the composition of SEBI?
SEBI has a Chairperson, two members from the Ministry of Finance, one member from the RBI, and five other members of whom at least three are whole-time — a board of nine in all.
What are SEBI’s three broad sets of powers?
Regulatory, developmental and quasi-judicial. SEBI registers and supervises intermediaries, promotes investor education and market development, and adjudicates violations with the power to impose penalties up to ₹25 crore or three times the profits.
What is T+1 settlement and when did India implement it?
T+1 means trade-plus-one-day settlement, where shares and money settle the working day after the trade. India became the first major market to fully implement T+1 in January 2023; a T+0 same-day pilot was launched in 2024.
What is ASBA?
Application Supported by Blocked Amount — the IPO application mechanism that blocks subscription money in the investor’s bank account rather than debiting it. SEBI extended a UPI-block version to secondary-market trades from 2024.
Where do appeals against SEBI orders lie?
Appeals lie to the Securities Appellate Tribunal (SAT) in Mumbai, and on questions of law further to the Supreme Court of India.
How is SEBI funded?
SEBI is self-funded through fees from issuers, intermediaries and exchanges. Its surplus, after meeting expenses, is held in the SEBI General Fund and is not part of the Consolidated Fund of India.
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