NISM-Series-V-A: Mutual Fund Distributors · Legal Structure of Mutual Funds in India

Concept and Role of Mutual Funds Explained

Updated 11 October 2026 · Fact-checked

A mutual fund is a trust-based vehicle that pools money from many investors and invests it in securities such as shares, bonds and money market instruments. Investors get units in proportion to their money. Professionals manage the portfolio, and gains, losses and costs are shared by unit holders.

Understand Concept and Role of Mutual Funds

A mutual fund collects money from many investors who share a common goal, such as growth or regular income. It invests this pool in a portfolio of securities. You do not own the shares or bonds directly. You own units of the scheme, and each unit represents a proportionate share of the portfolio.

In India, a mutual fund is set up as a trust under the Indian Trusts Act, 1882, and is regulated by SEBI under the SEBI (Mutual Funds) Regulations, 1996. A sponsor creates the trust. Trustees oversee it. An Asset Management Company (AMC) manages the money. The fund is not a company that you buy shares in.

The value of one unit is the Net Asset Value (NAV). NAV is the market value of the scheme's assets minus liabilities, divided by the number of units outstanding. When the portfolio value rises, NAV rises. When you invest, you buy units at the applicable NAV. When you redeem, you sell units at the applicable NAV.

The main advantages are professional management, diversification, affordability (small amounts can be invested, including through SIPs), liquidity (open-ended schemes allow redemption on any business day), transparency (regular disclosures of portfolio and NAV), regulation by SEBI, and variety of schemes for different goals. Economies of scale also lower the cost per investor.

The main limitations are that returns are not guaranteed, costs are charged (expenses and sometimes loads), the investor has no control over individual security selection, past performance does not assure future results, and diversification does not remove market risk. In the financial system, mutual funds channel household savings into capital markets, deepen those markets, and give small investors access to them.

Key formulas to remember

NAV per unit: NAV = (Market value of assets − Liabilities) ÷ Number of units outstanding; Units are bought and sold at NAV (plus or minus load where applicable). NAV changes with portfolio value, not with demand for units.
Units allotted: Units = Amount invested ÷ Applicable NAV; Fractional units are allotted. Use the NAV applicable to the transaction.
Legal form in India: Mutual fund = Trust (sponsor creates; trustees oversee; AMC manages); A mutual fund is not a company or partnership. SEBI regulates it.
Value of holding: Current value = Units held × Current NAV; The investor's holding value moves with NAV.

How to solve Concept and Role of Mutual Funds questions

Use this method for any conceptual or short numerical question on the concept and role of mutual funds.

1Read the question stem and identify whether it asks about definition, structure, advantage, limitation or role.
2Underline the key word, such as pooling, trust, units, NAV, diversification or guaranteed.
3Recall the core idea: pooled money, units in proportion, professional management, risk borne by investors.
4For statements about benefits or limits, test each option against this idea. Reject any option that promises assured returns or investor control over security selection.
5For numerical questions, apply Units = Amount ÷ NAV or Value = Units × NAV and keep units consistent.
6Check that the option matches the Indian legal form: trust, SEBI regulated, AMC as manager.
7If two options look close, choose the one that is true in all cases, not only in some.

Quickest way: Spot the trap word

When to use it: Use this when you have little time and the question is a 'which is true or not true' type on advantages and limitations.

Scan options for absolute words such as guaranteed, assured, always, no risk, eliminates.
Cross out options with such words unless the stem is about a scheme feature that truly states it.
Check who bears the risk: the unit holder, never the AMC or sponsor by default.
Match 'diversification' with reducing risk, not removing it.
Pick the remaining option and move on.

Common mistakes in Concept and Role of Mutual Funds

Thinking a mutual fund is a company whose shares you buy.
Words like 'fund house' and 'AMC' sound like a company, and NFOs resemble IPOs.
Fix: Remember: the fund is a trust, you hold units, and the AMC is only the manager.
Believing mutual funds guarantee returns or protect capital.
Investors confuse them with bank deposits.
Fix: Returns depend on market performance. Only the scheme's disclosed features apply; no return is assured.
Saying diversification removes all risk.
Diversification is taught as a major benefit, so it is overstated.
Fix: Diversification reduces security-specific risk. Market risk remains.
Treating NAV as the price of a share set by demand.
NAV is compared with stock prices.
Fix: NAV is computed from the value of assets less liabilities divided by units outstanding.
Listing 'control over portfolio' as an advantage.
Investors assume that investing means choosing securities.
Fix: Lack of control over individual holdings is a limitation. Professional management is the advantage.
Mixing up the investor's role with the AMC's role.
The sponsor, trustee and AMC roles are learned together.
Fix: Investors own units and bear risk. The AMC manages. Trustees protect unit holders' interests. The sponsor sets up the trust.

Worked examples

Example 1

An investor invests ₹50,000 in a scheme when the applicable NAV is ₹25. Ignoring any load and charges, how many units are allotted? If the NAV later becomes ₹30, what is the value of the holding?

Show the solution

Units = Amount ÷ NAV = 50,000 ÷ 25 = 2,000 units.
Value of holding = Units × NAV = 2,000 × 30 = ₹60,000.

Answer: 2,000 units are allotted, and the holding is worth ₹60,000 at the NAV of ₹30.

Example 2

Which of the following is a limitation of investing through a mutual fund? (A) Professional management (B) Investor has no control over the individual securities chosen (C) Small investments are possible (D) Regular disclosure of portfolio

Show the solution

Classify each option. Professional management is an advantage.
Small investment amounts being possible is an advantage (affordability).
Regular disclosure is an advantage (transparency).
The investor cannot choose individual securities, since the fund manager decides. This is a limitation.

Answer: (B) The investor has no control over the individual securities chosen.

Exam tips

Expect direct questions on the definition, the trust form and the meaning of units. Learn these in one line each.
Questions on advantages and limitations often put one limitation among three advantages. Classify each option before choosing.
Be alert to words like 'guaranteed' or 'eliminates'. They usually mark the wrong option.
NAV calculation questions are simple. Divide carefully and watch the units. Series V-A has no negative marking, so always attempt every question.
Link the role of mutual funds to savings mobilisation, capital market depth and access for small investors.

Practice questions from Legal Structure of Mutual Funds in India

Concept and Role of Mutual Funds in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Concept and Role of Mutual Funds: frequently asked questions

What is a mutual fund in simple words?

It is a pool of money collected from many investors and invested in securities by professionals. You receive units in proportion to your investment. Gains and losses are shared in the same proportion.

How does a mutual fund work in India?

A sponsor sets up a trust, and the AMC manages schemes under SEBI rules. Investors buy units at NAV, and the AMC invests the money as per the scheme's objective. Investors can redeem units as the scheme allows.

What are the main advantages and limitations of mutual funds?

Advantages include professional management, diversification, affordability, liquidity, transparency and regulation. Limitations include no guaranteed returns, costs, no control over holdings and market risk that remains despite diversification.

Is there negative marking in NISM Series V-A?

No. NISM-Series-V-A has 100 questions, 100 marks, 2 hours and a pass mark of 50%, with no negative marking. You should attempt every question.