Mumbai, Feb. 26 -- The Securities and Exchange Board of India (Sebi) has directed all regulated entities and their agents to disclose their registered name and registration number on social media platforms, tightening transparency norms amid the surge in market-related content online.

In a circular issued on Thursday, the market regulator said all intermediaries registered under Section 12 of the Sebi Act, which includes stockbrokers, depository participants, portfolio managers, investment advisers, research analysts, and so on, must comply with new disclosure requirements when posting securities market-related content on social media platforms.

The move comes as social media has become a dominant channel for investment-related communic...