Correct Answer: Regulating the stock market

Solution : The correct answer is (d). Regulating the stock market.

The National Housing Bank (NHB) is an apex financial institution in India that primarily focuses on promoting and regulating the housing finance sector. The NHB does not have a role in regulating the stock market. Stock market regulation is primarily overseen by the Securities and Exchange Board of India (SEBI), which is the statutory regulatory body for the securities and capital markets in the country