The document lists the various regulatory authorities that oversee different financial sectors and markets in India. It provides the names of 21 regulatory bodies, including the Reserve Bank of India (RBI), Securities and Exchange Board of India (SEBI), Insurance Regulatory and Development Authority of India (IRDAI), National Housing Bank (NHB), Pension Fund Regulatory and Development Authority (PFRDA), and others; and notes their roles and locations of headquarters. The document also includes a link to join a Facebook group for preparation tips for the RBI Grade B exam.