Post Office Monthly Income Scheme: Invest Once and Get Monthly Income — Check the Real Returns
If you want a regular monthly income from a one-time investment, the Post Office Monthly Income Scheme (MIS) is one of the government-backed savings options worth knowing about. Unlike a recurring deposit, you make a lump-sum deposit once and receive interest every month.
As of August 2026, India Post lists the Post Office Monthly Income Scheme at an interest rate of 7.4% per annum, payable monthly. The maximum investment is ₹9 lakh in a single account and ₹15 lakh in a joint account.
That means a person investing the maximum amount can create a predictable monthly interest income. But the scheme is not a shortcut to high returns, and the principal remains subject to the scheme's five-year maturity rules.
What Is the Post Office Monthly Income Scheme?
The National Savings (Monthly Income Account) Scheme, commonly called Post Office MIS, is a small-savings product operated through post offices.
Its basic structure is simple:
Deposit a lump sum → earn interest → receive the interest every month → get the principal back at maturity.
The official scheme rules allow an account to be opened by a single adult, jointly by up to three adults, or by a guardian on behalf of a minor. A minor aged 10 years or above can also open an account subject to the applicable rules.
The account has a five-year maturity period. India Post currently lists the minimum deposit at ₹1,000 and the maximum at ₹9 lakh for an individual account and ₹15 lakh for a joint account.
How Much Monthly Income Can You Get?
At the current 7.4% annual interest rate, the monthly income can be estimated by dividing the annual interest by 12.
For example:
| Investment | Annual interest at 7.4% | Approx. monthly income |
|---|---|---|
| ₹1 lakh | ₹7,400 | ₹617 |
| ₹3 lakh | ₹22,200 | ₹1,850 |
| ₹5 lakh | ₹37,000 | ₹3,083 |
| ₹9 lakh | ₹66,600 | ₹5,550 |
| ₹15 lakh | ₹1,11,000 | ₹9,250 |
The ₹15 lakh figure applies to a qualifying joint account under the overall deposit limits. A single account has a ₹9 lakh maximum.
These calculations assume the currently applicable 7.4% rate.
The important point is that ₹15 lakh does not produce ₹15 lakh plus 7.4% every month. The 7.4% is an annual rate, with the interest paid monthly.
Why the Scheme Appeals to Conservative Savers
The biggest attraction is predictability.
Someone who has received a lump sum—for example, from retirement benefits, the sale of an asset or accumulated savings—may want to generate regular cash flow without taking direct stock-market risk.
The Post Office MIS is designed for precisely this kind of income requirement.
India Post says the interest can be paid through its banking infrastructure, including transfer to a savings account. Its Electronic Clearance Service also supports automatic transfer of MIS interest on the due dates in applicable locations.
This makes the scheme particularly relevant for people who value a regular income stream rather than capital appreciation.
The Five-Year Rule Matters
The investment is not designed as a short-term parking facility.
Under the scheme rules, the deposit is normally payable after five years from the date of opening.
Premature closure is permitted after one year, but it comes with a deduction.
If the account is closed after one year but before three years, 2% of the deposit is deducted. If it is closed after three years but before maturity, the deduction is 1% of the deposit, according to the scheme rules.
Therefore, anyone considering MIS should avoid putting money into it that may be needed urgently.
Does the Monthly Interest Get Reinvested?
Not automatically.
This is an important difference between MIS and a conventional cumulative deposit.
The scheme rules state that monthly interest is payable to the account holder, and unclaimed monthly interest does not earn additional interest under the MIS account itself.
So, if an investor wants to compound that income, they would need to decide separately where to invest the monthly interest.
This also means the advertised 7.4% should not be interpreted as a compounded annual return on the original deposit.
What Happens to the Principal?
The monthly payments are interest, not withdrawals from the original investment.
For example, if someone invests ₹9 lakh at the currently applicable 7.4% rate and keeps the account until maturity, the monthly interest works out to approximately ₹5,550.
Over five years, that would amount to approximately ₹3.33 lakh in total interest, assuming the rate remained unchanged for the entire period.
The original ₹9 lakh deposit would then be payable according to the maturity rules.
However, there is an important caveat: the 7.4% rate is the currently applicable rate, not a guarantee that the government will offer the same rate on every future investment. Small-savings rates are periodically reviewed by the government. The Department of Economic Affairs issued the latest small-savings rate revision for the July–September 2026 quarter on June 30, 2026.
For an account already opened, the applicable scheme rules and rate structure need to be considered rather than assuming that future small-savings rates will remain unchanged indefinitely.
Who Should Consider Post Office MIS?
The scheme may suit investors whose priority is regular income and relatively low-risk government-backed small savings rather than aggressive growth.
It can be relevant for:
Retirees seeking supplementary monthly income
Conservative investors
Families managing a lump sum
Investors who want predictable cash flow
People who do not want their entire savings exposed to equity-market volatility
But it may not be suitable for someone whose primary objective is long-term wealth creation.
For example, a younger investor with a 15- or 20-year investment horizon may have other options to evaluate, depending on their risk tolerance, tax position and financial goals.
What Are the Main Risks and Limitations?
The Post Office MIS is not risk-free in the broader financial-planning sense.
Interest-rate risk
The government periodically reviews small-savings rates. A future investor may therefore receive a different rate from today's 7.4%.
Inflation risk
A fixed nominal income may lose purchasing power if inflation rises significantly.
If an investor receives ₹5,550 a month today, that amount does not automatically increase with inflation.
Limited growth potential
The scheme is primarily designed for income generation. Investors seeking substantial capital appreciation may need to consider other investments as part of a diversified portfolio.
Premature withdrawal penalty
Closing the account early can reduce the amount returned because of the applicable deduction.
Tax consideration
The monthly interest is income for the investor and should be considered when calculating the tax impact under the applicable income-tax rules. Investors should not assume that the MIS interest is automatically tax-free.
Is a Joint Account Better?
A joint account can allow a higher overall deposit limit.
The current rules permit a maximum of ₹15 lakh in a joint account, compared with ₹9 lakh for an individual account.
At 7.4%, ₹15 lakh generates approximately ₹1.11 lakh a year, or ₹9,250 per month.
However, investors should understand the ownership and deposit-limit rules before opening multiple accounts simply to increase the investment amount.
The scheme's rules also take an individual's share in a joint account into account when determining the applicable maximum deposit.
Post Office MIS vs Other Investments
The right question is not simply whether 7.4% is a “high” return.
It is whether the product matches the investor's objective.
For someone who needs monthly cash flow, MIS can be useful because the interest is specifically structured for monthly payment.
For someone focused on long-term capital growth, products such as equity mutual funds may offer higher potential returns but also involve substantially greater market risk.
For someone seeking a retirement-focused product, other government-backed small-savings schemes may also be relevant depending on eligibility.
In other words, MIS is best understood as an income-generating savings product, not as a universal investment solution.
What Investors Should Check Before Investing
Before depositing a large amount, investors should verify:
The current interest rate.
The maximum permissible deposit.
Whether the account should be single or joint.
The five-year maturity period.
Premature-closure deductions.
How monthly interest will be credited.
The tax treatment applicable to their circumstances.
Most importantly, investors should use an authorised post office and check the latest official scheme rules rather than relying on social-media posts promising a fixed monthly income.
Final Takeaway
The Post Office Monthly Income Scheme can provide a regular monthly income from a one-time lump-sum deposit, with India Post currently listing a 7.4% annual interest rate payable monthly. The maximum investment is ₹9 lakh for a single account and ₹15 lakh for a joint account.
At the current rate, a ₹9 lakh deposit works out to around ₹5,550 per month, while ₹15 lakh in an eligible joint account works out to around ₹9,250 per month.
The key is to view those numbers correctly. This is not a scheme that creates “free money”; it is a structured savings product that exchanges a lump-sum investment for regular interest income over a five-year period.
For conservative savers who value predictable cash flow, it can be worth considering. But investors should compare it with their other options, tax situation, inflation needs and long-term financial goals before committing their savings.
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This article is for informational and educational purposes only and should not be considered investment advice
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