Debenture trustee regulation: SEBI promulgates regulatory framework for debenture trustees under statutory authority of the SEBI Act.
SEBI, exercising the power conferred by section 30 of the SEBI Act with the prior approval of the Central Government, promulgated the Securities and Exchange Board of India (Debenture Trustees) Regulations as a statutory regulatory instrument governing debenture trustees.

Governance amendment: imposes term limits for exchange office-bearers and reduces membership threshold to tighten oversight.
Amendments require renumbering certain sub-clauses of Article 53 into Article 54, substitute the membership threshold in a renumbered sub-clause, insert a provision that the President, Vice President and Treasurer shall hold office for one year and be eligible for re election with a restriction preventing those who have served two consecutive terms as President or Vice President from immediate re election until a one year gap, and delete the existing Article 54; effective from publication in the Official Gazette.

Certificate requirement for underwriters: registration mandatory to underwrite and subject to conditions for grant and renewal.
Persons acting as underwriters must hold a certificate of registration under the regulations; pre-existing underwriters may continue pending registration and registered stock brokers or merchant bankers may underwrite without a separate certificate. The Board may grant or renew certificates subject to conditions including prior permission for changes in status, a valid agreement with the body corporate allocating duties, payment of registration fees, and compliance with the rules and regulations.

Underwriter Regulations established by securities regulator to prescribe governance and registration framework for underwriters under statutory authority.
Notification promulgates the Securities and Exchange Board of India (Underwriters) Regulations, 1993 under the statutory authority of the securities regulator with prior central government approval, constituting the formal enactment establishing a regulatory regime for underwriters and bringing those regulations into force by Gazette notification.

Amendment under section 4: substitution of the named officer in the earlier government notification, altering designation and name.
Amendment under sub-section (1) of section 4 of the Securities and Exchange Board of India Act, 1992 substitutes the words "Smt. R, Lakshmanan, Additional Secretary" with "Shri C. Achuthan, Joint Secretary and Legal Adviser" in Government of India notification No. S.O. 195(E) published in the Gazette of India (Extraordinary) Part-II Section 3, Sub-section (ii); recorded as S.O. 761(E) dated 7th October, 1993 under F. No. 20(3)SE/92.

Public offering threshold reduced, permitting conditional relaxations for government companies with prior central approval and instructions.
Amendment to rule 19(2)(b) of the Securities Contracts (Regulation) Rules replaces the sixty per cent public offering benchmark with a twenty-five per cent threshold, allows a recognised stock exchange to relax that requirement for a Government Company with prior Central Government approval and subject to governmental instructions, and amends the Explanation to state that the identified element "shall not form part of the twenty-five per cent, of the securities to be offered to the public."

Authorised representatives appointed to represent SEBI under appeal rules, enabling Executive Directors and General Counsel to act.
The Board designates its Executive Directors and General Counsel, and any officer authorised by them, as authorised representatives under clause (b) of rule 2 of the Securities and Exchange Board of India (Appeal to the Central Government) Rules, 1992, empowering those officers to act on behalf of the Board and to authorise other officers to perform such representative functions.

Notification amendment: substitution of appointed member name in SEBI notification, replacing prior appointee with successor.
Amendment under section 4(1) of the SEBI Act substitutes the entry against serial number 2 in notification S.O. 147(E), replacing "Dr. Y. Venugopal Reddy" with "Dr. P. J. Nayak"; issued as S.O. 483(E) with the stated file reference and noting earlier publication and amendment history.

Public offer allocation revised: reduction in required public portion, proviso removed and reserved shares excluded from calculation.
The draft amends the rule on offer composition by reducing the proportion of securities required to be offered to the public, omitting the existing proviso to that clause, and revising the Explanation so that a specified category of reserved securities shall not form part of the public allocation. The amendments are enacted by textual substitution and omission and the rules will commence on final Gazette publication.

Regulation of registrars and share transfer agents creates a statutory registration and oversight framework for intermediaries.
Regulation of registrars to an issue and share transfer agents establishes a statutory framework for their registration and regulation under the Securities and Exchange Board of India Act, 1992, enacted by the Board with prior government approval and prescribing conditions, functions, licensing and ongoing oversight for such intermediaries.

Registration requirement for registrars and share transfer agents mandates certification, capital adequacy, agreements and timely investor grievance redressal.
These rules require a certificate from the Board to act as a registrar to an issue or as a share transfer agent, define the scope of registrar and transfer agent activities, and make grant or renewal of certificates subject to conditions including prior Board permission for status changes, a valid agreement with the principal, payment of registration fees, maintenance of capital adequacy as specified in the regulations, and investor grievance redressal within one month with reporting to the Board.

Appeal to the Central Government: rules establishing an appeal mechanism from SEBI orders under the SEBI Act.
Central Government promulgated the Securities and Exchange Board of India (Appeal to the Central Government) Rules, 1993, made under the enabling provisions of the SEBI Act to prescribe procedural and regulatory parameters for appeals to the Central Government against actions or decisions of the Securities and Exchange Board of India, and notified the rules through the Ministry of Finance with official file reference and Gazette registration.

Mutual fund regulation establishes registration, governance, disclosure, investment limits and penalties for non compliance inspection and reporting obligations.
These Regulations require mutual funds to be registered with the Board, with Board approved trust deeds, an approved Asset Management Company, independent trustees and an independent custodian; they impose governance duties on trustees and AMCs, mandate scheme approval and truthful publicity, set investment, valuation and pricing rules including NAV computation and publication, require periodic reporting and audits, and authorise Board inspections and enforcement including suspension or cancellation after prescribed inquiry procedures.

Portfolio Manager Regulations create regulatory framework for registration and oversight of portfolio managers under SEBI Act.
Securities and Exchange Board of India issued the Securities and Exchange Board of India (Portfolio Managers) Regulations, 1993 by notification dated 7 January 1993 under the authority of section 30 of the Securities and Exchange Board of India Act, 1992, constituting the statutory measure by which SEBI prescribes rules for the registration and regulatory oversight of portfolio managers.

Portfolio manager registration requirement: certificate mandated, with conditions for grant, renewal, exceptions and client grievance duties.
No person may act as a portfolio manager without a certificate of registration from the Board, with a transitional provision for existing practitioners who have applied. The Board may grant or renew certificates subject to conditions including prior permission for status changes, payment of prescribed fees, timely redressal and reporting of client grievances, and adherence to rules and regulations; exemptions for certain merchant bankers are limited and conditional.