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What is Reserve Fund
In summary
A reserve fund is money kept separately from regular spending funds for specific future needs, unexpected expenses, or financial obligations.
- A reserve fund is kept aside for future financial needs.
- Individuals can use reserves for unexpected or planned expenses.
- Businesses can maintain reserves for future obligations and expenses.
- Community associations can use reserves for major repairs and replacements.
- Reserve funds should have a clearly defined purpose.
- Liquidity is important when funds may be needed quickly.
- A reserve fund is different from a long-term investment portfolio.
The amount and structure of a reserve depend on its purpose, expected expenses, and the financial position of the person or organisation maintaining it.
What is a reserve fund?
A reserve fund is money or other assets that a person, business or housing society sets aside for one defined future cost. The cost can be unexpected, such as an emergency repair, or planned, such as replacing machinery in 36 months (3 years).
You keep a reserve apart from the money you use for routine expenses. This separation stops you from spending money meant for a future cost on everyday bills.
In a company's accounts, a reserve is not the same as cash set aside. A reserve is the part of profit that the company keeps instead of paying it out. It becomes a fund only when the company sets aside matching cash or investments outside the business. To see where a reserve sits among other financial products, read types of investment.
What are the 5 types of reserve fund?
There are 5 common types. They differ by who keeps them and what cost they cover.
| Type and who keeps it | What it covers | Where the money comes from |
|---|---|---|
| Emergency reserve: individuals and households | Unplanned costs such as a medical bill or a gap in income | Monthly savings |
| Sinking fund: individuals, businesses and housing societies | A known future cost, such as replacing a lift or roof | Fixed instalments over a set period |
| General reserve: businesses | No stated purpose; protects the business against future losses | Retained profit |
| Capital reserve: businesses | Capital purposes; the business does not pay it out as dividends | Capital profit, such as profit on selling a fixed asset |
| Specific reserve: businesses | One stated purpose, such as replacing machinery | Profit the business earmarks for that purpose |
Individuals need only the first two types, and they fund both with cash from the start. A housing society's reserve fund is a sinking fund that members pay into for major repairs to shared property.
How is a reserve fund different from an operating fund?
A reserve fund pays for one defined future cost, while an operating fund pays for routine costs that recur every month. A housing society, for example, pays for security, common-area electricity and routine maintenance from its operating fund.
The same society pays for a new roof or a lift replacement from its reserve. Keeping the two apart shows members exactly how much money the society has set aside for future repairs.
How does a reserve fund work?
A reserve fund works through fixed contributions that build up to a target. You then use that money only for the cost you built it for.
- Name the cost. Decide the one expense the reserve will pay for.
- Price it and date it. Estimate the amount and the month you will need it.
- Divide the target. Divide the amount by the number of months left.
- Choose where to keep it. Match the account to how quickly you need the money.
- Review every 12 months. Update the target if the cost or the date changes.
What are the benefits of a reserve fund?
A reserve fund lets you pay a large cost from money you already hold. You do not need to arrange the full amount when the bill arrives.
- You avoid borrowing. You pay a planned cost without taking a loan and paying interest on it.
- Your monthly budget stays intact. A Rs. 80,000 repair becomes 12 instalments of Rs. 6,667, not one sudden payment.
- Replacements happen on time. A business or housing society replaces equipment when it wears out, not when cash allows.
- Money stays committed. A separate account makes it harder to spend the money on routine bills.
Saving in advance does not remove every risk. If the final cost exceeds your target, you still need to fund the difference.
Is a reserve fund worth it compared with borrowing?
A reserve fund is worth it when the interest on a loan for the expense would exceed the return you give up by holding cash. The trade-off works in both directions.
A reserve that covers the full cost means you take no loan, but that money earns only savings or deposit interest. A reserve that covers half the cost leaves the other half invested, but you borrow the rest when the cost arrives.
Building a reserve is not always the first step. If you pay interest on existing debt, such as credit card dues, compare that rate with the rate your reserve earns. When the debt rate is higher, paying down the debt first saves you the difference.
How much should you put in a reserve fund?
The amount you put aside each month equals the target amount divided by the number of months until you need it. Use the formula below with your own figures.
Monthly contribution = Target amount ÷ Number of months
Example 1: An individual. Ravi is 34, lives in Pune and takes home Rs. 75,000 a month. After his regular expenses, he has Rs. 12,000 left each month. He starts a reserve fund for a Rs. 80,000 home repair due in 12 months (1 year).
Rs. 80,000 ÷ 12 months = Rs. 6,667 a month, rounded up to the nearest rupee. After 12 months, Ravi has Rs. 80,004 before any interest. The contribution uses Rs. 6,667 of his Rs. 12,000 monthly surplus and leaves him Rs. 5,333. This example assumes equal monthly contributions, no withdrawals and no interest earned.
Example 2: A business. A workshop plans to replace a machine that costs Rs. 5 lakh in 36 months (3 years). Rs. 5 lakh ÷ 36 months = Rs. 13,889 a month, rounded up to the nearest rupee. This example assumes no interest earned and no change in the machine's price.
Two practical limits apply to both examples. Repair and equipment prices rise each year, so a quote you get today can be higher when the cost falls due. Interest on the reserve fund reduces the amount you need to contribute, so recalculate once you choose where to keep the money.
Where should you keep a reserve fund?
Keep the money where you can withdraw it by the date you need it, at a value you know in advance. The right place depends on how soon the cost falls due.
| Option and what it suits | How quickly you can access it | Can the value fall? |
|---|---|---|
| Savings account: emergency reserve | Same day | No |
| Fixed deposit (FD): a planned cost with a fixed date | On maturity; the issuer can charge a penalty for early withdrawal | No, if you hold it to maturity |
| Market-linked investment, such as a mutual fund: a cost 5 years or more away | On redemption, on the date the fund's terms set | Yes |
Emergency money needs access within one working day, so a savings account fits it. For a reserve fund with a fixed date, match an FD's maturity to the month you need the money. Liquidity is how quickly you can turn an investment into cash without losing value.
A market-linked investment can be worth less than you put in on the day you need it. If you are considering a systematic investment plan (SIP) for a cost 5 years or more away, the SIP calculator and lumpsum investment calculator from Bajaj Finance show illustrative values. The calculators do not guarantee these values, and your reserve fund can end up short if markets fall.
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Frequently Asked Questions
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Managing the money after you start
Is a reserve fund the same as an emergency fund?
Not exactly. An emergency fund is one type of reserve that you or your household keep for unplanned personal costs such as a medical bill. Reserve is the wider term: it covers planned costs as well, and businesses and housing societies keep reserves too. If you save for a known repair, you are building a reserve that is not an emergency fund.
Can you use a reserve fund for regular monthly expenses?
No, not if you want it to cover the cost you built it for. Every rupee you spend on routine bills is a rupee missing when the planned cost arrives. If your monthly expenses keep exceeding your budget, fix the budget instead. Cut or reschedule recurring costs so that the reserve stays untouched until the expense you created it for falls due.
What should you do after you use part of your reserve fund?
Rebuild it with a new monthly contribution. Take the amount you withdrew, decide the month by which you want the reserve back at its target, and divide the amount by the months left. For example, if you withdraw Rs. 30,000 and want to rebuild it in 10 months, you need Rs. 3,000 a month on top of any existing contribution.
How often should you review your reserve fund?
Review your reserve every 12 months, and also whenever the expected cost or date changes. At each review, confirm that the balance is on track and that your monthly contribution still covers the gap. Also confirm that you can withdraw the money by the date you need it. Update your target if prices for the repair or equipment have risen.
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