Tamilnad Mercantile Bank offers the latest FD interest rates ranging from 4.00% to 7.10% per annum for the general citizens and from 4.00% to 7.50% per annum for the senior citizens, depending on the deposit tenure, amount, and customer type. You can choose a flexible deposit period ranging from 7 days to 10 years.

Guaranteed Plan
(By Insurance companies)Fixed Deposit
(Offered by Banks)Savings Account
(Post Office)Fixed Deposits (FDs) are very common in terms of low-risk, fixed-income investments. They are safe and provide a stable interest rate, but the interest rate might be low. Conversely, Guaranteed Return Plans are an insurance cover on insurance with possible higher returns in the long run. Such plans are perfect for individuals who want to enjoy both wealth creation and protection. FDs have been a good choice when matters most are simplicity, safety, and flexible tenure.
Tamilnad Mercantile Bank Fixed Deposit allows you to invest a lump sum amount for a fixed tenure and earn interest at a predetermined rate. It is suitable for both regular individuals and senior citizens seeking stable, risk-free returns with higher rates. Tamilnad Mercantile Bank Senior Citizen FD Rates are 0.50% higher on selected tenures. However, this additional rate does not apply to NRO term deposits and is not applicable for tenures below one year, except under the TMB300 Special Deposit Scheme.
| Tenure | 15 days to 10 years |
| Minimum Deposit Amount | Rs 1,000 |
| Maximum Deposit Amount | No Maximum Limit |
| Interest Payment | Monthly, Quarterly |
| Nomination | Available |
| Senior Citizens Benefits | 0.5% higher than the regular |
| TDS | As per Income Tax rules |
| Loan Against Deposit | Yes, available |
During the week in June 2025, 10 banks, including Tamilnad Mercantile Bank, increased their FD interest rates,
| Tenure | Interest Rates (% p.a.) | |
| Regular Citizens | Senior Citizens | |
| 7 to 14 days | 4.00% | 4.00% |
| 15 to 29 days | 4.25% | 4.25% |
| 30 to 45 days | 4.50% | 4.50% |
| 46 to 60 days | 4.80% | 4.80% |
| 61 to 90 days | 4.80% | 4.80% |
| 91 to 120 days | 5.80% | 5.80% |
| 121 to 179 days | 5.80% | 5.80% |
| 180 to 270 days | 6.30% | 6.30% |
| 271 days to less than 1 year | 6.40% | 6.40% |
| 1 year | 6.80% | 7.30% |
| Above 1 year to less than 456 days | 6.80% | 7.30% |
| 456 days (TMB456 Special Deposit Scheme) | 7.10% | 7.50% |
| Above 456 days to less than 2 years | 6.60% | 7.10% |
| 2 years to less than 3 years | 6.60% | 7.10% |
| 3 years to 10 years | 6.60% | 7.10% |
*Tamilnad Mercantile Bank FD Interest Rates w.e.f. January 01, 2026
| Tenure | Interest Rates (% p.a.) |
| 7 to 14 days | 4.00% |
| 15 to 29 days | 4.30% |
| 30 to 45 days | 5.25% |
| 46 to 60 days | 5.90% |
| 61 to 90 days | 5.90% |
| 91 to 120 days | 6.35% |
| 121 to 179 days | 6.35% |
| 180 to 270 days | 6.45% |
| 271 days to less than 1 year | 6.55% |
| 1 year | 7.20% |
| Above 1 year to 13 months | 7.20% |
| Above 13 months to less than 2 years | 7.20% |
| 2 years to less than 3 years | 7.00% |
| 3 years to 10 years | 6.55% |
*Tamilnad Mercantile Bank FD Interest Rates w.e.f. March 31, 2026
People also read: Standard FD rates by all banks
Here is a concise overview of the fixed deposit schemes offered by Tamilnad Mercantile Bank (TMB), with short explanations and key benefits for each.
This is TMB's standard fixed deposit scheme for a lump-sum investment. It offers a fixed interest rate for a chosen tenure. It's a reliable option for those seeking a safe and predictable return on their savings.
This is a reinvestment scheme where the interest earned is compounded annually and reinvested into the principal. This helps your deposit grow faster, leading to a larger maturity value. It's an ideal choice for long-term wealth creation.
Benefits:
This scheme is designed to help you save on income tax while growing your savings. The principal amount of up to ₹1.5 lakh is eligible for a tax deduction under Section 80C of the Income Tax Act. It has a mandatory lock-in period of 5 years.
Benefits:
The Pearl Deposit is a long-term fixed deposit scheme with a flexible interest withdrawal option. It offers compounding interest, and you can withdraw the accrued interest at specific intervals.
Benefits:
This is a unique, short-term fixed deposit with a specific tenure of 20 months and 20 days. It offers competitive interest rates and is a good option for investors looking for a medium-term investment with flexible payout options.
Benefits:
The following are some of the most attractive benefits of booking Fixed Deposits offered by Tamilnad Mercantile Bank (TMB):
A Tamilnad Mercantile Bank (TMB) fixed deposit is a traditional and secure way to earn returns on your savings. TMB offers a variety of FD schemes that you can open through convenient online and offline channels.
If you are an existing TMB customer, the online process is fast and simple, allowing you to open an FD from the comfort of your home using internet banking or the mobile app.
For new customers or those who prefer a physical process, you can open an FD account by visiting any TMB branch.
All Indian citizens can open a Tamilnad Mercantile Bank FD. Some more people who are eligible for the same are -
Tamilnad Mercantile Bank offers Fixed Deposits with tenures ranging from 7 days to 10 years and an entry point of ₹1,000. To enhance liquidity, the Tamilnad Flexi Fixed Deposit offers a "sweep-in" facility that automatically earns higher interest on surplus funds. Additionally, customers can access a credit card against FD for an instant credit limit without a prior credit history, and even get a Tamilnad Mercantile loan against FD. While senior citizens benefit from extra interest, investors should note that early withdrawals may attract penalties, and returns may not always outpace inflation, though they remain a highly secure, low-risk option.
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*All savings are provided by the insurer as per the IRDAI approved
insurance plan. Standard T&C Apply
+ Trad plans with a premium above 5 lakhs would be taxed as per
applicable tax slabs post 31st march 2023
#Discount offered by insurance company
##The Guaranteed Returns are dependent on the policy term and premium term availed along with other variable factors. 7.3% rate of return is for an 18-year-old, healthy male for a policy term of 20 years and a premium term of 10 years with ₹5,00,000 annually installment premium. All plans listed here are from insurance companies’ funds.
++Source - Google Review Rating available on:- http://bit.ly/3J20bXZ
˜The insurers/plans mentioned are arranged in order of highest to lowest first year premium (sum of individual single premium and individual non-single premium) offered by Policybazaar’s insurer partners offering life insurance investment plans on our platform, as per ‘first year premium of life insurers as at 31.03.2025 report’ published by IRDAI. Policybazaar does not endorse, rate or recommend any particular insurer or insurance product offered by any insurer. For complete list of insurers in India refer to the IRDAI website www.irdai.gov.in