What is SIP? Meaning, How It Works, Benefits, Types and Risks

In summary

An SIP lets you invest regularly in a mutual fund instead of investing a large amount at one time.

• SIP is a method of investing, not a mutual fund type.
• You can invest a fixed amount at regular intervals.
• Rupee-cost averaging spreads purchases across different NAVs.
• Compounding can support long-term wealth accumulation.
• SIP does not remove market risk or guarantee returns.
• The Bajaj Broking website offers 4,000+ mutual fund schemes.

The minimum SIP on the Bajaj Broking website is Rs. 100 per month, subject to applicable scheme terms. KYC is mandatory before investing. SIP suitability depends on your financial goal, investment horizon, and the risk level of the mutual fund you select.

SIP stands for Systematic Investment Plan. It is a way of investing a fixed amount in a mutual fund at regular intervals, usually every month. You decide the amount and frequency, and each instalment buys units of the scheme you chose.

For example, if you invest Rs. 1,000 every month, the number of units purchased depends on the scheme's NAV on the applicable investment date.

SIP is not a separate mutual fund category. It is simply a method of investing. The value of your investment depends on the performance of the selected mutual fund scheme. Returns are not guaranteed.

The Bajaj Broking website offers 4,000+ mutual fund schemes, with a minimum SIP amount of Rs. 100 per month, subject to applicable scheme terms. SIP and lumpsum investment options are available for most schemes.

SIP stands for Systematic Investment Plan. It is a way of investing a fixed amount in a mutual fund at regular intervals, usually every month. You decide the amount and frequency, and each instalment buys units of the scheme you chose.

NAV, or Net Asset Value, represents the value of one unit of a mutual fund scheme. Because NAV changes, the same SIP amount can purchase different numbers of units at different times.

For example, an SIP of Rs. 10,000 buys 125 units when the NAV is Rs. 80. If the NAV is Rs. 100, the same amount buys 100 units.

This regular investing process spreads purchases across different market levels. It can reduce the need to decide when to invest a large amount, but it does not eliminate the possibility of losses.

SIPs can make regular investing easier to manage, particularly when you receive income regularly and want to invest towards a financial goal.

How does compounding help an SIP?

Compounding means that returns earned on an investment can generate further returns when they remain invested. Over a longer period, this can increase the effect of growth on the accumulated investment.

However, mutual fund returns are market-linked, so compounding does not guarantee a particular final value.

Example: If you invest Rs. 5,000 every month for 10 years and the fund grows at an assumed 12% a year, you invest Rs. 6,00,000 and it could grow to about Rs. 11,61,695. Returns are not guaranteed; this is an illustration.

What is rupee-cost averaging?

Rupee-cost averaging refers to investing a fixed amount regularly despite changes in the investment price.

When the NAV is lower, the same amount can buy more units. When it is higher, it buys fewer units. Over multiple instalments, purchases are therefore spread across different NAV levels.

This approach can reduce the need to time the market, but it cannot prevent losses or guarantee profits.

Your average cost is about Rs. 49.18 a unit (Rs. 15,000 ÷ 305), lower than the average NAV of about Rs. 50.83.
 

SIPs offer practical benefits related to regular investing and managing contributions over time.

• Regular investing: Fixed contributions can help create an investing habit.
• Accessible starting point: You can start with a relatively small amount, subject to the scheme's minimum.
• Rupee-cost averaging: Investments are made across different NAV levels.
• Potential compounding: Staying invested can allow returns to generate further returns.
• Convenience: Applicable auto-debit arrangements can simplify regular contributions.
• Choice of schemes: SIPs can be used with different mutual fund categories, depending on scheme availability.

An SIP itself does not make an investment risk-free. The underlying mutual fund determines the investment's market exposure. You can also learn about market volatility to understand how changing prices can affect investments.

No lock-in in most schemes: You can redeem units of most open-ended schemes on any business day; ELSS (tax-saving) funds are the main exception, with a 3-year lock-in for each instalment.

An SIP may be useful when you want to invest regularly towards a defined financial goal rather than invest a large amount at one time.

Consider:

• Financial goal: Identify what you are investing for and the amount you may need.
• Investment horizon: Choose a period that matches your goal and the scheme.
• Available funds: Select an amount that does not affect essential expenses.
• Risk level: Consider how much fluctuation you can accept.
• Regularity: Make sure the contribution is sustainable within your budget.

Starting earlier gives an investment more time to remain invested, but it does not guarantee a particular return.

Different SIP structures can provide different ways to manage regular investments. Availability depends on the mutual fund scheme and platform.

• Regular SIP: Invests a fixed amount at regular intervals.

• Top-up or step-up SIP: Increases the SIP amount at predetermined intervals.

  For example, Rs. 10,000 a month for 20 years at an assumed 12% could grow to about Rs. 99.9 lakh; raising it by 10% every year could take it to about Rs. 1.99 crore. Try the step-up SIP calculator.

• Flexible SIP: Allows changes to the contribution according to applicable terms.
• Multiple SIP: Uses separate SIPs for more than one mutual fund scheme.
• Perpetual SIP: An SIP with no fixed end date. Since 1 October 2023, new SIP mandates need an end date of up to 30 years, so new SIPs can no longer be truly perpetual; ones set up before then continue.
• Trigger SIP: Uses a specified trigger or condition for an investment.

Check the applicable scheme and platform conditions before selecting a particular SIP structure.

An SIP only determines how you invest. You still need to select a mutual fund scheme that suits your financial circumstances and objective.

Consider the fund category, investment strategy, risk level, investment horizon, past performance, expense ratio, and applicable exit load. Past performance does not guarantee future returns.

You can read more about choosing mutual funds before evaluating schemes.

The Bajaj Broking website offers equity, debt, hybrid, ELSS, thematic, and NFO categories. When assessing risk, also check the SEBI Riskometer, which uses six levels: Low, Low to Moderate, Moderate, Moderately High, High, and Very High. As a rough guide, equity funds suit goals 5 years or more away, hybrid funds 3 to 5 years, and debt or liquid funds less than 3 years.

The basic process involves selecting the scheme, deciding the contribution, completing KYC, and setting up the applicable payment instructions.

1. Define your financial goal and investment horizon.
2. Select a mutual fund based on your requirements and risk level.
3. Decide an SIP amount that fits your budget.
4. Select the available investment frequency and duration.
5. Complete the required KYC formalities.
6. Set up the applicable payment or auto-debit instruction.
7. Track the investment and review it against your financial goal.

KYC compliance is required for mutual fund investments, including SIP registrations, under applicable SEBI requirements.

Documents you need: PAN card, Aadhaar (for KYC), and your bank account details for the auto-debit.

An SIP calculator estimates the possible future value of regular investments based on inputs such as the monthly investment, assumed return, and investment period.

You can use the SIP calculator from Bajaj Finance to compare different contribution amounts and investment periods. The result is an estimate, not a guaranteed outcome, because mutual fund returns are market-linked.

If you want to compare a one-time investment with regular contributions, the lumpsum calculator can help illustrate different assumptions.

Before starting, assess the investment beyond the monthly contribution.

• Goal: Know what the investment is intended to achieve.
• Risk: Review the scheme's Riskometer and underlying investments.
• Horizon: Match the investment period with your financial objective.
• Performance: Review historical performance without treating it as a return guarantee.
• Costs: Understand the expense ratio and other applicable charges.
• Tax: Gains are taxed when you redeem, based on the fund type and how long each instalment was held.
• Affordability: Choose an amount you can sustain without affecting essential expenses.

You can also review the expense ratio when comparing similar mutual fund schemes.

Yes. SIP investments can lose value because the underlying mutual fund is market-linked. Regular contributions do not protect the investment from market declines.

The SEBI Riskometer can help you understand the risk level assigned to a mutual fund scheme. However, the Riskometer should be considered alongside the scheme's portfolio, investment strategy, investment horizon, and your own risk tolerance.

Rupee-cost averaging can spread purchases across different NAVs, but it cannot guarantee a profit or prevent a fall in the value of your investment.

SIP and lumpsum investing are different methods of investing in mutual funds.

With an SIP, you invest a fixed amount at regular intervals. With a lumpsum investment, you invest a larger amount at one time.

Neither method is automatically suitable for every investor. The appropriate approach depends on your financial goal, available funds, investment horizon, and ability to tolerate market fluctuations.

Here is what happens if you miss, pause, or stop an SIP:

• Missed instalment: No units are bought for that month, and the SIP usually continues the next month. Your bank may charge a fee for the failed auto-debit. If several instalments fail in a row (often 3), the fund house may cancel the SIP.
• Pause: Many schemes let you pause for a few months; ask for it before your SIP date to avoid a failed debit.
• Stop: Stopping an SIP does not sell your units; the money already invested stays invested until you redeem it.

Each SIP instalment counts as a separate investment with its own holding period, and the oldest units are sold first when you redeem.

Equity funds: Gains on units held for more than 12 months are taxed at 12.5% on gains above Rs. 1.25 lakh in a financial year. Gains on units held for 12 months or less are taxed at 20%.
 

Debt funds bought on or after 1 April 2023: Gains are taxed at your income tax slab rate.
 

ELSS: SIPs in ELSS funds can be claimed as a deduction of up to Rs. 1.5 lakh a year, only under the old tax regime, and each instalment is locked in for 3 years.
 

These rules apply for FY 2026-27.

An SIP is a method of investing a fixed amount in a mutual fund at regular intervals. It can help establish investment discipline, spread purchases across different NAV levels, and provide an opportunity for compounding over time.

However, SIP does not guarantee returns or eliminate market risk. Your financial goal, investment horizon, chosen mutual fund, costs, taxation, and risk level should all be considered before investing.

Last reviewed: September 2026

Mutual funds are subject to market risk. Please read the scheme-related documents carefully before investing.