ETF vs Index Fund: Which is Better for Long-Term Investment in India?

Passive investing has developed significantly in India over the last few years. Many investors choose not to opt for stocks or depend on only active fund managers. They simply choose to invest in financial products that track the market. Two of the most popular investment options are Exchange Traded Funds (ETFs) and index funds. 

At first glance, both options may seem almost the same. Yet there are certain differences between ETF vs index fund. The right choice depends on how you invest, how often you invest, and what kind of experience you want as an investor.

This guide breaks down the difference between ETF and index fund. Whether you are just starting out or want to refine your long-term portfolio, this comparison will help you make a more informed decision.

What is an ETF?

An Exchange Traded Fund, or ETF, is a fund that is listed and traded on a stock exchange, similar to an individual stock. In order to buy or sell an ETF, you require a demat account and a trading account. Once you place an order, the transaction is done at the current market price at any given time of the trading day.

Most ETFs in India are managed passively. They track a particular index in the stock market, like the Nifty 50 or Sensex, by holding the same securities in the same proportion as the index. The fund manager does not make any active decisions regarding the stocks. The objective is to match the index as closely as possible. Due to this structure, ETFs tend to have extremely low Total Expense Ratios (TER), which is often as low as 0.02-0.10% for major indices.

What is an Index Fund?

An index fund is a type of mutual fund that follows the market index passively. Like an ETF, it owns all the securities as the index it is tracking, in the same proportion. However, unlike an ETF, an index fund is not traded on the stock exchange. You invest directly through the Asset Management Company (AMC) or through a mutual fund platform. Your transaction is processed at the end-of-day Net Asset Value (NAV).

Index funds do not require you to have a demat account. You can open a Systematic Investment Plan (SIP) in an index fund for as little as ₹500 per month. This makes the investment product very accessible for first-time investors. The TER for index funds in India is slightly more than for ETFs and ranges from 0.10-0.40% for direct plans.

ETF vs Index Fund: Key Differences (Comparison Table)

Understanding ETF and index funds side by side makes the choice much clearer. 

The table below captures the most important points of the difference between ETF and index fund at a glance:

This comparison shows that while ETFs typically have a lower stated expense ratio, index funds generally offer a more seamless investment experience.

ETF vs Index Fund Returns

When it comes to ETF vs index fund returns, the starting point is the same for both. Since both instruments track the same index, the gross returns before costs are identical. The difference in net returns comes down to costs and how efficiently each instrument is used.

On paper, ETFs look cheaper because of their lower TER. However, the true cost of investing in an ETF includes the bid-ask spread, which is the difference between the buying and selling price on the exchange. For highly liquid ETFs, bid‑ask spreads are usually very tight, often in the low double‑digit basis‑point range (around 0.05–0.15%), while less liquid ETFs can have much wider spreads, and brokerage/commission is an additional cost on every transaction.

For SIP investors, such costs are repeated with each monthly purchase. Over a 15-year period, this cumulative friction can fend off the final corpus by some meaningful amount. If you are investing a lot of money in lumpsum and waiting for a long time period, the bid-ask spread is paid only once while buying and once while selling. In this case, the lower TER of an ETF can work in your favour over time.

ETF vs Index Fund Expense Ratio

The ETF vs index fund expense ratio is one of the most frequently discussed aspects of this comparison. ETFs usually have a lower TER when compared to index funds. For example, a ₹10 lakh investment held for 10 years at 12% returns, the 0.20% difference in TER means a difference of around ₹25,000 to ₹35,000 in the final corpus. That is quite meaningful in the long run.

For investors who make a one-time lump sum investment and do not trade frequently, the lower ETF vs index fund expense ratio of ETFs can result in a slightly better outcome. For regular SIP investors, the transaction costs can make index funds the more cost-effective choice in practice.

Liquidity and Trading Differences

One of the clearest distinctions between ETF vs index fund India is how each of them handles liquidity. ETFs can be purchased and sold at any time during market hours. This offers real-time flexibility to investors. If you want to get out of your position at a certain price throughout your trading day, you can do so with an ETF. 

Index funds, on the other hand, can be redeemed only at the end of the day (NAV). You cannot control the price at which you redeem your funds. For most long-term investors, this difference is not very important. Risks: ETF vs Index Fund

Risks: ETF vs Index Fund

Both ETFs and index funds carry market risk, since both are tied to the performance of the underlying index. As a result, their returns typically reflect the overall movement of the market.

However, ETFs carry one additional risk, that is, liquidity risk at the fund level. If an ETF is thinly traded on the exchange, the bid-ask spread can widen significantly during periods of market stress.

Index funds do not carry this exchange-level liquidity risk. The AMC is obligated to process your redemption at NAV, regardless of market conditions. 

ETF vs Index Fund: Which is Better for Long-Term Investment in India?

The ETF vs index fund india question for long-term investors ultimately comes down to how you plan to invest. 

If you are a salaried individual who wants to invest a fixed amount every month through an automated SIP, an index fund can be a better choice. The process is seamless, the costs are predictable, and there is no need to place exchange orders or maintain a demat account.

If you are an investor with a lump sum to deploy and you have a demat account, a highly liquid ETF can be a strong choice. The key is to stick to ETFs with high trading volumes to minimise the impact of bid-ask spreads.

Who Should Invest in ETFs?

ETFs are generally well-suited for investors who:

• Have a demat and trading account 
• Are comfortable placing exchange orders
• Are lump sum investors who want the lowest possible expense ratio 
• Are willing to manage their investments actively

Investors who want targeted exposure to specific sectors, commodities like gold, or international markets will also find ETFs useful.

Who Should Invest in Index Funds?

Index funds may be the better choice for investors who:

• Want to build wealth gradually through regular SIPs 
• Do not want the complexity of exchange trading
• Are beginners and do not yet have a demat account 
• Are unfamiliar with how stock exchanges work
• Value simplicity, automation, and predictable execution will find index funds far more convenient

For anyone building a long-term retirement corpus through monthly contributions, an index fund SIP is one of the most reliable and accessible tools available in the Indian market.

Conclusion

If you are looking for a platform that makes the ETF vs index fund decision easier, My Mudra is worth exploring. This is a comprehensive financial services platform designed for Indian investors. It can help you compare, plan, and invest across a wide range of products. Whether you are deciding between an ETF and an index fund, or simply trying to understand your options, My Mudra's tools and expert guidance simplify the entire process.

Also Read:
- ETF vs Mutual Fund: Difference, Returns, Charges & Which is Better in India (2026)
- Gold ETF vs Gold Mutual Fund: Which is Better in 2026?