How to Choose the Best Nifty 100 Index Fund in India for 2025

Most investors would welcome the idea putting money into some of India’s top companies. There are multiple ways to accomplish this, but most of them tend to be a tad complicated, at least for new investors. However, investing in a Nifty 100 Index Fund could solve this problem.

These index funds replicate the Nifty 100 Index, which tracks the 100 biggest and most traded stocks on the National Stock Exchange.[i] Because the portfolio is defined by the underlying benchmark index, the fund offers both simplicity and diversification. But among the many options available, you may wonder how to choose an index fund to invest in? Let’s find out.

What Exactly Are Nifty 100 Index Funds?

A Nifty 100 Index Fund is a mutual fund that mirrors the Nifty 100 Index. The constituents of the index is replicated in the fund proportionately.

Two things stand out for investors:

1. Broad exposure: If you choose to invest in a Nifty 100 index fund, you gain exposure to leading companies across industries like banking, IT, pharma, consumer goods, and more sectors, which means diversified access to the market*.

2. Low cost advantage: As a Nifty 100 index fund mirrors the underlying index, it becomes a passive investment that does not require active stock picking. This means the expenses of running it are lower compared with actively managed schemes. Over the long term, lower fees can make a significant difference to your corpus.

In practice, this makes Nifty 100 index funds appealing for investors who want to participate in the markets, without having to shoulder the stress of picking the “right” stocks.

Key factors to consider while selecting a Nifty 100 Index Fund

If you want to find the best Nifty 100 index fund, focus on the following factors:

• Expense Ratio: This is an annual fee charged by AMCs. The expense ratios for Nifty 100 index funds are generally in the range of 0.05%-0.5% and it is charged on daily basis.

• Tracking Difference: This is the gap between fund returns and index returns. Lower numbers mean your fund tracks the index better.

• Tracking Error: This is the standard deviation of difference between the fund returns and index returns. Both tracking difference and tracking error should be low.

• Assets Under Management (AUM): The AUM shows the total value of all investments managed by a fund.

• Fund manager reputation: Although index funds don’t rely on a fund manager’s expertise, an experienced fund manager at the helm ensures disciplined tracking and fewer operational issues.

• Liquidity: The liquidity position of a fund is important as it allows investors to quickly convert their mutual fund investments into cash without affecting the fund’s value.

Step-by-Step Guide: How to Invest in a Nifty 100 Index Fund

The process of investing is simple:

1. Pick the best Nifty 100 index fund: When choosing an index fund for yourself, pay attention to details like expense ratio, fund size, tracking error, and historical performance using data from AMC websites or reliable finance portals.

2. Investing platform: For investing in 2025, you need to pick an investment platform. You can choose to invest directly with the mutual fund website or App, via online fintech platforms and even through traditional brokers.

3. Mode of investment: You can choose to begin your Nifty 100 Index Fund investment with a one-time lump sum or a Systematic Investment Plan (SIP). SIPs are a recurring investment spread across specific periods, while lumpsum is a one-time investment.

4. Complete your KYC: This is a regulatory requirement, which can be easily done online, with your Aadhaar card and PAN.

5. Begin investing: You can finally begin investing by following the steps given on your preferred platform. If opting for SIP, you can set up automatic debits to avoid missing an installment. You can start investing with just Rs. 100 via SIP and Lumpsum with Axis Nifty 100 Index Fund.

6. Review Periodically: –Monitor your index funds periodically to ensure that they align with your goals.

Risks to Understand

Like all mutual funds, Nifty 100 Index Funds carry certain risks:

• Market Risk: Equity markets tend to be volatile. Thus, if your index value falls, the value of your fund pegged to the index will follow the same path.

• Tracking Error:This is the standard deviation of difference between the fund returns and index returns. Both tracking difference and tracking error should be low.

• Economic Risk: A change in the macroeconomic environment such as inflation, geopolitics, interest rate changes, and even policy modifications could impact the value of the fund.

FAQs

What is a tracking error?

This is the standard deviation of difference between the fund returns and index returns. Both tracking difference and tracking error should be low.

How important is the expense ratio?
Expense ratio is an important factor when it comes to long-term investing. Because it is a recurring cost, even a seemingly small number has a noticeable impact on long-term returns.

Are these funds “safe”?
Index funds are subject to market risk like all other equity funds. However, the broad diversification across 100 large companies which are part of Nifty 100 index and diversification in general helps them manage concentration risk better.

Conclusion

To find the best Nifty 100 Index Fund in 2025, the focus should be on important aspects like costs, tracking efficiency, AUM size, and the AMC’s reliability.

For new investors, these funds can provide a simple, low-cost way to take part in the Indian stock markets. For seasoned investors, Nifty 100 funds can serve as a steady allocation as part of the larger portfolio. As long as you invest consistently, a Nifty 100 Index Fund can become a valuable tool for long-term wealth creation.