National Savings Certificate (NSC) Calculator 2026
Calculate official 5-year maturity value at 7.70% p.a. annual compounding, Section 80C deemed reinvestment tax benefits, and zero-TDS returns.
Notified quarterly by the Ministry of Finance. Interest compounds annually.
Under Old Regime, Years 1–4 accrued interest is deemed reinvested under Section 80C.
Tax Intelligence: Section 80C Deemed Reinvestment Benefit
The exclusive Indian tax arbitrage that makes NSC superior to Bank Tax-Saver FDs
💡 Key Rule: Unlike 5-year bank fixed deposits where interest is taxed every year without further deduction, NSC accrued interest in Years 1–4 is deemed to be reinvested and qualifies for fresh Section 80C tax exemption. Only the 5th year interest (₹15,540) is added to your taxable income at maturity.
NSC 5-Year Year-by-Year Compounding Amortization Schedule
Accrued interest schedule matching official India Post published certificates table
| Financial Year | Opening Balance | Accrued Interest (7.7%) | Closing Balance | Section 80C Tax Status |
|---|---|---|---|---|
| Year 1 | ₹1,50,000 | +₹11,550 | ₹1,61,550 | 80C Deemed Reinvestment |
| Year 2 | ₹1,61,550 | +₹12,439 | ₹1,73,989 | 80C Deemed Reinvestment |
| Year 3 | ₹1,73,989 | +₹13,397 | ₹1,87,387 | 80C Deemed Reinvestment |
| Year 4 | ₹1,87,387 | +₹14,429 | ₹2,01,815 | 80C Deemed Reinvestment |
| Year 5 | ₹2,01,815 | +₹15,540 | ₹2,17,355 | Taxable on Maturity |
Comparison: NSC VIII Issue vs. 5-Year Bank Tax-Saver FD
| Comparison Parameter | National Savings Certificate (NSC) | 5-Year Bank Tax-Saver FD |
|---|---|---|
| Current Interest Rate | 7.70% p.a. (Compounded Annually) | 6.50% – 7.00% p.a. (Quarterly) |
| TDS at Source (Section 194A) | No TDS deducted by Post Office | 10% TDS deducted if interest > ₹40,000 |
| Section 80C on Accrued Interest | Yes (Deemed reinvested in Years 1–4) | No (Only upfront investment eligible) |
| Loan / Pledging as Collateral | Allowed (Can pledge to banks/Govt) | Strictly prohibited (5-year lock-in) |
| Maximum Investment Cap | No Maximum Limit | ₹1,50,000 per financial year |
What is the National Savings Certificate (NSC VIII Issue)?
The National Savings Certificate (VIII Issue) is a government-backed fixed income investment offered through India Post branches. It carries an official interest rate of 7.70% per annum compounded annually with a fixed 5-year lock-in. Investments qualify for upfront tax deduction under Section 80C, with accrued interest in Years 1–4 deemed reinvested for additional tax relief.
How NSC Interest is Calculated (Official Rules & Guidelines)
NSC interest compounds annually at 7.70% p.a. but is paid out as a lump sum at the end of 5 years (60 months). The maturity amount is computed using the standard compound interest formula:
Where P = Principal, r = 7.70% annual interest rate, and n = 5 years.
Exact India Post Multiplier
At 7.70% p.a., every ₹1,000 invested grows to ₹1,449.03 upon maturity (a 1.45x wealth multiplier). Interest earned each year is added to the principal to form the opening balance for the following year.
Double Tax Deduction Feature
Because interest is not paid out annually, accrued interest for Years 1 through 4 is legally deemed to be reinvested in NSC, making it eligible for fresh Section 80C tax deduction in those years.
Taxation at Maturity
In the 5th and final year, the interest accrued cannot be reinvested since the certificate matures. Consequently, Year 5 interest is added to your taxable income under “Income from Other Sources” and taxed per your slab.
No Post Office Tax Deductions
Unlike bank fixed deposits where banks deduct 10% TDS under Section 194A if annual interest exceeds ₹40,000, India Post deducts zero TDS on NSC proceeds, giving investors 100% of their earned compounding power.
Realistic Worked NSC Investment Examples
Investing ₹1,50,000 under Old Tax Regime (30% Slab)
A software engineer invests ₹1.5 Lakhs in NSC to claim the full Section 80C deduction at 7.70% p.a.:
Investing ₹5,00,000 for Sovereign Capital Protection
An investor parks ₹5 Lakhs of capital for zero-risk sovereign compounding without worrying about bank failure risks:
Small Savings Scheme Comparison: NSC vs. SCSS vs. POMIS vs. Bank FD
| Scheme Name | Current Interest Rate | Payout Frequency | Section 80C Tax Benefit | Max Investment Cap |
|---|---|---|---|---|
| National Savings Certificate (NSC) | 7.70% p.a. | Lump Sum on Maturity (5 Yrs) | Yes (Principal + Y1-4 Interest) | No Upper Limit |
| Senior Citizen Savings Scheme (SCSS) | 8.20% p.a. | Quarterly Payouts | Yes (Principal only) | ₹30 Lakhs |
| Post Office Monthly Income Scheme (POMIS) | 7.40% p.a. | Monthly Payouts | No 80C Deduction | ₹9L (Single) / ₹15L (Joint) |
| 5-Year Bank Tax Saver FD | 6.50% – 7.00% p.a. | Quarterly Reinvestment | Yes (Principal only) | ₹1.5 Lakhs / FY |
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Frequently Asked Questions (National Savings Certificate)
What is the current interest rate for National Savings Certificates (NSC)?
The Ministry of Finance currently offers 7.70% per annum on National Savings Certificates (VIII Issue). The interest is compounded annually and payable upon completion of the 5-year maturity period.
How does Section 80C deemed reinvestment work for NSC?
Under the Income Tax Act, 1961, the initial deposit qualifies for Section 80C deduction. Furthermore, the interest accrued at the end of Years 1, 2, 3, and 4 is legally deemed to be reinvested into the scheme, qualifying for fresh Section 80C deductions in those respective assessment years. Only the 5th year interest is taxable under Income from Other Sources upon maturity.
Is TDS deducted on NSC maturity proceeds by the Post Office?
No. The Department of Posts does not deduct any Tax Deducted at Source (TDS) under Section 194A on NSC proceeds. However, the final 5th year interest must be declared in your annual Income Tax Return (ITR).
Can NSC certificates be used as collateral for bank loans?
Yes. Under Rule 11 of the National Savings Certificates (VIII Issue) Scheme, 2019, certificates can be formally pledged or transferred as collateral security to scheduled commercial banks (such as SBI, HDFC, PNB) to secure business or personal loans.
Is there any maximum deposit limit on NSC?
No. There is no upper limit on how much an Indian resident individual can invest in NSC. The minimum deposit is ₹1,000, and subsequent investments can be made in multiples of ₹100.