Correct Answer: Securities and Exchange Board of India (SEBI)
Subject: 2025
Explanation: <b>Key Fact</b><br>The Saa₹thi app was launched by SEBI (Securities and Exchange Board of India) to empower retail investors with accurate knowledge about securities markets, KYC processes, and grievance mechanisms.<br><br><b>Additional Info</b><br>Topic: Financial Regulators & Initiatives.<br><br><b>Why the other options are wrong</b><br>Option A: SBI is a commercial bank.<br>Option B: Correct.<br>Option C: RBI regulates banking and launched apps like MANI.<br>Option D: ONDC is a digital commerce network initiative by DPIIT.<br><br><b>Exam Trick</b><br>Investor protection and securities awareness = SEBI.<br><br><b>Final Answer</b><br>Option B — Securities and Exchange Board of India (SEBI).