What is a mutual fund? Meaning, types, NAV, SIP, redemption & benefits explained

Mutual funds are financial investment products that have gained immense popularity in India as a medium of long-term wealth creation. Asset Management Companies (AMCs), the firms that offer various mutual fund schemes, handle over 80 lakh crore rupees of investor money. As of December 2025, monthly SIP deposits exceed 30,000 crore rupees.

In this article, we will dive in-depth into understanding mutual funds better by covering the following topics:

• What is a mutual fund, and how does it work?

• What is NAV and why does the mutual fund unit price change?

• Types of mutual funds in India: equity mutual funds

• Types of mutual funds in India: debt mutual funds

• Types of mutual funds in India: hybrid mutual funds

• Investing in mutual funds

  
  

What is a mutual fund?

A mutual fund is a professionally managed investment product. It pools money from multiple investors and invests it into shares (equity), bonds, debentures (debt), money market instruments, and a mix of equity and debt (hybrid).

Mutual funds can be classified into three main categories: equity mutual funds, debt mutual funds, and hybrid mutual funds. Equity mutual funds invest in the shares of stock market-listed companies based on a theme, industry, or market capitalization. Debt mutual funds invest in debt products, providing assured returns and the predictability of fixed deposits. Hybrid mutual funds invest in both equity and debt products.

From salaried professionals starting a small SIP of ₹500 per month to high-net-worth individuals investing crores, mutual funds cater to various income levels, risk appetites, and financial goals. In India, mutual funds are regulated by the Securities and Exchange Board of India (SEBI) to protect investor interests and ensure transparency.

With the right fund selection, anyone can invest based on their financial goals and risk appetite. They are one of the easiest ways to invest, especially if you don’t have the time or expertise to pick stocks on your own.

Mutual funds in India are managed by AMCs such as SBI Mutual Fund, HDFC Mutual Fund, ICICI Prudential Mutual Fund, and others. Each AMC appoints fund managers to make investment decisions, research analysts to study companies and markets, and compliance officers to ensure SEBI rules are followed.

The mutual fund industry is represented by the Association of Mutual Funds in India (AMFI), which sets best practices and conducts investor awareness programs.

When you invest in a mutual fund, you don’t directly buy stocks or bonds. Instead, you receive units of the mutual fund.

The working of a mutual fund can be broken down into simple steps:

1. Investors put money into the mutual fund by buying units. The value of each unit is called the Net Asset Value (NAV). You can invest money via SIP or lump sum. You can buy mutual funds directly from an AMC or through a brokerage/distributor.

2. The pooled money is invested in securities (shares) as per the scheme’s objective. For example, if you are investing in a Nifty 50 Index Fund, the mutual fund invests only in the shares of the top 50 companies in Nifty.

3. A professional fund manager invests this money in the market and manages the portfolio.

4. Based on the fund’s performance, the value of your investment increases or decreases. Profits or losses are shared proportionately among investors.

5. Investors hold “units” of the mutual fund based on their investment amount.

6. You can redeem your investment anytime (except in lock-in funds).

   
   

Example:

If you invest ₹10,000 and the NAV is ₹50, you get:

Units = 10,000 ÷ 50 = 200 units.

Units act like your “share” in the fund. If the fund performs well and the NAV increases, the value of your units grows.

What is NAV? Why Does the Mutual Fund Unit Price Change?

NAV stands for Net Asset Value. It represents the price of one unit of a mutual fund. NAV fluctuates daily by a small percentage. Typically, NAV increases when portfolio stocks rise, interest rates favor debt instruments, and markets trend upward. Conversely, NAV decreases when the portfolio value drops, debt papers lose value, or market volatility increases. In simple terms, NAV reflects how well the mutual fund’s investments are performing.

Types of Mutual Funds in India: Equity Mutual Funds

For long-term growth and higher returns, equity mutual funds invest in the stock market by buying shares of specific companies. They are suitable for long-term goals and come with higher risk and return potential.

Categories Include:

Large Cap Funds

Large cap funds invest mainly in the top 100 companies in India by market capitalization (as defined by SEBI). These are well-established, financially strong companies with stable business models. The risk level is lower compared to other equity funds. Return potential is moderate but stable over long periods. These funds are best for conservative equity investors and first-time investors who prefer long-term stability. The ideal investment time horizon is 5 years or more. Examples include leading banks, IT majors, and FMCG giants.

Mid Cap Funds

Mid cap funds invest in companies ranked 101 to 250 by market capitalization. These companies are in their growth phase and have higher expansion potential. The risk level is moderate to high. Return potential is higher than large caps over long periods. These funds are best for investors willing to take higher volatility for better growth. The ideal time horizon is 7 years or more. Mid-caps can outperform large caps in bull markets but may fall more during periods of corrections.

Small Cap Funds

Small cap funds invest in companies ranked 251 and below by market capitalization. These are smaller, emerging businesses with significant growth potential but higher uncertainty. The risk level is high. Return potential is very high over long periods. These funds are best for aggressive investors with a strong risk appetite. The ideal investment time horizon is 10 years or more. Small caps are highly volatile and require patience and long-term commitment.

Large and Mid-Cap Funds

Large & mid cap funds invest in a combination of large-cap and mid-cap stocks, with a minimum of 35% in each category as per SEBI rules. The risk level is moderate. Return potential is better than pure large cap and lower risk than pure mid cap. These funds are best for investors seeking a balance between stability and growth. The ideal investment time horizon is 5–7 years. These funds aim to offer the best of both worlds - stability from large caps and growth from mid-caps.

Multi Cap Mutual Funds

Multi cap funds invest across large-cap, mid-cap, and small-cap stocks, with SEBI mandating a minimum 25% allocation to each category. The risk level is moderate to high. Return potential is high (due to small & mid-cap exposure). These funds are best for long-term investors comfortable with volatility. The ideal investment time horizon is 7–10 years. Offers true diversification across market capitalizations.

Flexi Cap Mutual Funds

Flexi cap funds can invest in any market cap (large, mid, or small) with complete flexibility and no minimum allocation constraints. These are more flexible than multi-cap funds. The risk level is moderate to high. Return potential is high (depends on fund manager decisions). These funds are best for investors who trust active fund management. The ideal investment time horizon is 5–7 years.

Value Oriented Mutual Funds

Value funds invest in undervalued stocks that are trading below their intrinsic value due to temporary issues or market pessimism. Requires patience as value investing takes time to play out. The risk level is moderate. Return potential is high over long periods. These funds are best for patient, long-term investors. The ideal investment time horizon is 5–7 years.

Multi Cap Index Funds

Multi cap index funds track a broad market index covering large, mid, and small-cap stocks, such as Nifty 500-type indices. There is no fund manager bias, and it follows a fully rule-based investing methodology. The risk level is moderate to high. Return potential is heavily market-linked and fluctuates. These funds are best for passive investors seeking broad exposure. The ideal investment time horizon is 7+ years.

Large Cap Index Funds

Large cap index funds replicate indices like Nifty 50 or Sensex, investing in India’s top companies. They have very low expense ratios and high transparency. The risk level is moderate. Return potential is stable and market-linked. These funds are best for beginners and conservative equity investors. The ideal time horizon is 5+ years.

Mid Cap Index Funds

Mid cap index funds track indices such as Nifty Midcap 150, investing in mid-sized growth companies. They are more volatile than large-cap index funds. The risk level is high. Return potential is high over the long term. These funds are best for growth-oriented investors. The ideal investment time horizon is 7–10 years.

Small Cap Index Funds

Small cap index funds replicate indices like Nifty Small Cap 250, investing in smaller emerging companies. This is not suitable for short-term investors. The risk level is very high. Return potential is very high (with high volatility). These funds are best for aggressive long-term investors. The ideal investment time horizon is 10+ years.

Large & Mid Cap Index Funds

Large & mid cap index funds track indices that combine large-cap and mid-cap stocks in a fixed proportion. The risk level is moderate. Return potential is better than pure large-cap. These funds are best for balanced passive investors. The ideal investment time horizon is 5–7 years.

ELSS (Equity Linked Savings Scheme) Mutual Funds

ELSS funds are equity mutual funds that offer tax benefits under Section 80C, with a mandatory 3-year lock-in. The risk level is moderate to high. Return potential is high. These funds are best for tax-saving with wealth creation. The ideal investment time horizon is 5+ years.

Retirement Mutual Funds

Retirement funds are solution-oriented schemes designed to build a retirement corpus, often with partial equity and debt exposure. The risk level depends on the chosen option. Return potential is moderate to high. These funds are best for long-term retirement planning. The lock-in period is until retirement age or 5 years (whichever is earlier).

Children’s Mutual Funds

Children’s funds are goal-based mutual funds created to fund a child’s education or future needs. The risk level is moderate. Return potential is moderate to high. These funds are best for long-term child-related goals. The lock-in period is until the child attains adulthood or a minimum of 5 years. Investments are made by parents or guardians.

Sectoral Mutual Funds

Sectoral funds invest in one specific sector, such as banking, IT, pharma, or infrastructure. The risk level is very high. Return potential is very high in sector upcycles. These funds are best for experienced investors. The ideal investment time horizon is 5+ years.

Thematic Mutual Funds

Thematic funds invest based on a broader theme, such as consumption, ESG, manufacturing, or digital India. The risk level is high. Return potential is high. These funds are best for investors with strong conviction in a theme. The ideal investment time horizon is 5–7 years. These are more diversified than sectoral funds but still theme-dependent.

Types of Mutual Funds in India: Debt Mutual Funds

Debt mutual funds invest in debt instruments and offer stability and lower risk. Categories include liquid funds, short-duration funds, corporate bond funds, etc.

Debt mutual funds invest in fixed-income instruments like bonds, treasury bills, and government securities. They are generally less volatile than equity funds. They are best for capital preservation and short to medium-term goals. The ideal investment horizon is 6 months to 3 years.

Types of Mutual Funds in India: Hybrid Mutual Funds

Hybrid funds invest in both equity and debt to balance risk and returns. Types include aggressive hybrid funds, conservative hybrid funds, and balanced advantage funds. These funds are best for moderate-risk investors, and the ideal investment horizon is 3–5 years.

Other Categories

These include gold funds, international funds, and fund of funds.

Investing in Mutual Funds

You can invest in mutual funds through SIP or lump sum. A Systematic Investment Plan (SIP) allows investors to invest a fixed amount at regular intervals (monthly, quarterly).

You can invest as SIP or lump sum through AMC websites, mutual fund apps, registered mutual fund distributors, or online investment platforms. Mutual funds do not require a demat account. Basic requirements to start investing in mutual funds are a PAN card, bank account, and KYC completion.

SIP encourages disciplined investing, reduces market timing risk, brings the power of compounding over time, is affordable (starting from ₹100 per month), and is convenient. SIPs have become extremely popular in India due to rising financial awareness and digital platforms.

Lump sum investing requires you to invest a certain sum of money by buying mutual fund units as per the NAV of the investing day. You choose to invest when appropriate.

Investors earn returns from mutual funds in two ways. One is through capital appreciation as NAV value increases over time. The second is through income distribution (now called IDCW), where dividends are distributed and not reinvested.

Returns depend on market performance, fund category, investment duration, and expense ratio.

For equity mutual funds, short-term capital gains tax (held under 1 year) is 15%. For long-term capital gains (held over 1 year), it’s 10% tax on gains above ₹1 lakh per year.

ELSS mutual funds offer tax benefits under Section 80C but come with a mandatory 3-year lock-in period. For debt mutual funds, gains are taxed as per your income tax slab (as per the latest rules).

Mutual funds are market-linked investments, so returns are not guaranteed. Equity funds carry higher risk but offer higher long-term returns. Debt funds carry lower risk but offer more stability. Mutual funds, especially equity-oriented ones, have historically beaten inflation over the long term.

Redeeming a mutual fund is simple. You can withdraw through the same channel you bought your mutual fund. It can be through the AMC (ICICI PRU, HDFC MF, SBI MF, etc.), mutual fund platforms, or through the mutual fund distributor. Redemption for equity funds usually takes 2-3 working days, debt funds 1-2 working days, liquid funds the same day or next day credit (T+1), and ELSS can only be redeemed after the 3-year lock-in period.