The document discusses the regulatory structure and key constituents of mutual funds in India. It states that mutual funds are structured as trusts with a sponsor, board of trustees, and asset management company (AMC). The trustees are responsible for protecting investors' interests, appointing the AMC, and overseeing operations. The AMC manages the day-to-day activities of the fund such as launching schemes, marketing to investors, and portfolio management. Other constituents include custodians, registrars, brokers, and distributors. The key regulators are SEBI, RBI, and the Ministry of Finance.