Rates verified from official source

Tamilnad Mercantile Bank Fixed Deposit interest rates · October 2026

As of 5 Oct 2026, Tamilnad Mercantile Bank offers up to 7.25% p.a. on its fixed deposit (FD) (567 days (TMB 567 Special Deposit scheme)) for general customers and 7.70% p.a. (567 days (TMB 567 Special Deposit scheme)) for senior citizens. Rates below are as published by the bank — confirm with TMB before investing.

Maturity calculator

Estimate returns at TMB (quarterly compounding)

₹
—

Fixed Deposit rates

Rates for deposits below ₹3 crore · General vs Senior · trend over time

4%5%6%7% 7-14 days: 4.00% 15-29 days: 4.25% 30-45 days: 4.50% 46-60 days: 4.80% 61-90 days: 4.80% 91-120 days: 5.80% 121-179 days: 5.80% 180-270 days: 6.30% 271 days to less than 1 year: 6.50% 1 year: 6.80% · Post Office TD: 6.90% (at/below the govt-guaranteed benchmark) Above 1 year to less than 456 days: 6.70% · Post Office TD: 6.90% (at/below the govt-guaranteed benchmark) 456 days (TMB 456 Special Deposit scheme) · 456-day Special: 7.10% · Post Office TD: 6.90% (above the govt-guaranteed benchmark) Above 456 days to 566 days: 6.60% · Post Office TD: 6.90% (at/below the govt-guaranteed benchmark) 567 days (TMB 567 Special Deposit scheme) · 567-day Special: 7.25% · Post Office TD: 6.90% (above the govt-guaranteed benchmark) Above 567 days to less than 2 years: 6.60% · Post Office TD: 6.90% (at/below the govt-guaranteed benchmark) 2 years to less than 3 years: 7.00% · Post Office TD: 7.00% (at/below the govt-guaranteed benchmark) 3 years to 10 years: 6.70% · Post Office TD: 7.10% (at/below the govt-guaranteed benchmark) 7d15d1m2m2m3m4m6m9m1y1y456d456d567d567d2y3y General Post Office TD Special scheme

Bars green where above, ink where at/below, the Post Office Time Deposit rate (sovereign-guaranteed, not DICGC-insured) at that tenure — no PO product shorter than 1 year, so shorter bars keep this bank's own color.

4%5%6%7%8% 7-14 days: 4.00% (General: 4.00%) 15-29 days: 4.25% (General: 4.25%) 30-45 days: 4.50% (General: 4.50%) 46-60 days: 4.80% (General: 4.80%) 61-90 days: 4.80% (General: 4.80%) 91-120 days: 5.80% (General: 5.80%) 121-179 days: 5.80% (General: 5.80%) 180-270 days: 6.30% (General: 6.30%) 271 days to less than 1 year: 6.50% (General: 6.50%) 1 year: 7.30% (General: 6.80%) · Post Office TD: 6.90% (above the govt-guaranteed benchmark) Above 1 year to less than 456 days: 7.20% (General: 6.70%) · Post Office TD: 6.90% (above the govt-guaranteed benchmark) 456 days (TMB 456 Special Deposit scheme) · 456-day Special: 7.50% (General: 7.10%) · Post Office TD: 6.90% (above the govt-guaranteed benchmark) Above 456 days to 566 days: 7.10% (General: 6.60%) · Post Office TD: 6.90% (above the govt-guaranteed benchmark) 567 days (TMB 567 Special Deposit scheme) · 567-day Special: 7.70% (General: 7.25%) · Post Office TD: 6.90% (above the govt-guaranteed benchmark) Above 567 days to less than 2 years: 7.10% (General: 6.60%) · Post Office TD: 6.90% (above the govt-guaranteed benchmark) 2 years to less than 3 years: 7.50% (General: 7.00%) · Post Office TD: 7.00% (above the govt-guaranteed benchmark) 3 years to 10 years: 7.20% (General: 6.70%) · Post Office TD: 7.10% (above the govt-guaranteed benchmark) 7d15d1m2m2m3m4m6m9m1y1y456d456d567d567d2y3y Senior General Post Office TD Special scheme

Bars green where above, ink where at/below, the Post Office Time Deposit rate (sovereign-guaranteed, not DICGC-insured) at that tenure — no PO product shorter than 1 year, so shorter bars keep this bank's own color.

No additional super-senior premium — showing Senior rates.

4%5%6%7%8% 7-14 days: 4.00% (Senior: 4.00%) 15-29 days: 4.25% (Senior: 4.25%) 30-45 days: 4.50% (Senior: 4.50%) 46-60 days: 4.80% (Senior: 4.80%) 61-90 days: 4.80% (Senior: 4.80%) 91-120 days: 5.80% (Senior: 5.80%) 121-179 days: 5.80% (Senior: 5.80%) 180-270 days: 6.30% (Senior: 6.30%) 271 days to less than 1 year: 6.50% (Senior: 6.50%) 1 year: 7.30% (Senior: 7.30%) · Post Office TD: 6.90% (above the govt-guaranteed benchmark) Above 1 year to less than 456 days: 7.20% (Senior: 7.20%) · Post Office TD: 6.90% (above the govt-guaranteed benchmark) 456 days (TMB 456 Special Deposit scheme) · 456-day Special: 7.50% (Senior: 7.50%) · Post Office TD: 6.90% (above the govt-guaranteed benchmark) Above 456 days to 566 days: 7.10% (Senior: 7.10%) · Post Office TD: 6.90% (above the govt-guaranteed benchmark) 567 days (TMB 567 Special Deposit scheme) · 567-day Special: 7.70% (Senior: 7.70%) · Post Office TD: 6.90% (above the govt-guaranteed benchmark) Above 567 days to less than 2 years: 7.10% (Senior: 7.10%) · Post Office TD: 6.90% (above the govt-guaranteed benchmark) 2 years to less than 3 years: 7.50% (Senior: 7.50%) · Post Office TD: 7.00% (above the govt-guaranteed benchmark) 3 years to 10 years: 7.20% (Senior: 7.20%) · Post Office TD: 7.10% (above the govt-guaranteed benchmark) 7d15d1m2m2m3m4m6m9m1y1y456d456d567d567d2y3y Senior Senior Post Office TD Special scheme

Bars green where above, ink where at/below, the Post Office Time Deposit rate (sovereign-guaranteed, not DICGC-insured) at that tenure — no PO product shorter than 1 year, so shorter bars keep this bank's own color.

TenureGeneralSeniorTrendApplies toAs ofSource
7-14 days
4.00% 4.00% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
15-29 days
4.25% 4.25% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
30-45 days
4.50% 4.50% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
46-60 days
4.80% 4.80% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
61-90 days
4.80% 4.80% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
91-120 days
5.80% 5.80% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
121-179 days
5.80% 5.80% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
180-270 days
6.30% 6.30% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
271 days to less than 1 year
6.50% 6.50% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
1 year
6.80% 7.30% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
Above 1 year to less than 456 days
6.70% 7.20% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
456 days (TMB 456 Special Deposit scheme)
456-day Special
7.10% 7.50% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
Above 456 days to 566 days
6.60% 7.10% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
567 days (TMB 567 Special Deposit scheme)
567-day Special
7.25% 7.70% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
Above 567 days to less than 2 years
6.60% 7.10% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
2 years to less than 3 years
7.00% 7.50% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
3 years to 10 years
6.70% 7.20% Below ₹3 crore (retail)
10 Apr 2026
official
fetched 20 Sept 2026
✓ verified 5 Oct 2026
Source ↗

TMB Fixed Deposit: frequently asked questions

What is the highest TMB Fixed Deposit interest rate?

As of 5 Oct 2026, Tamilnad Mercantile Bank offers up to 7.25% p.a. on its fixed deposit (FD) (567 days (TMB 567 Special Deposit scheme)) for general customers and 7.70% p.a. (567 days (TMB 567 Special Deposit scheme)) for senior citizens. Rates below are as published by the bank — confirm with TMB before investing.

What is the TMB 1 year FD interest rate?

As of 5 Oct 2026, Tamilnad Mercantile Bank offers 6.80% p.a. on a 1-year FD for general customers and 7.30% p.a. for senior citizens.

Do senior citizens get higher Fixed Deposit rates at TMB?

Yes. Senior citizens (60+) earn up to 0.50% p.a. more than general customers at Tamilnad Mercantile Bank, depending on the tenure.

Is my fixed deposit (FD) with TMB insured?

Deposits with Tamilnad Mercantile Bank are insured by DICGC up to ₹5,00,000 per depositor per bank (principal + interest combined).

How current are these TMB rates?

RateScan.in refreshed this dataset on 5 Oct 2026; the bank's rates shown here are effective 10 Apr 2026. Rates can change without notice, so verify on the official TMB website before investing.

Good to know

Deposits with Tamilnad Mercantile Bank are insured by DICGC up to ₹5,00,000 per depositor (principal + interest). Senior citizens (60+) typically earn an extra 0.50% p.a. over the published general rates.

Informational only — always confirm the current rate on the official TMB website before investing. Bank names and associated colors are used for identification purposes only. All bank names, logos, and trademarks are the property of their respective owners. RateScan.in is not affiliated with, endorsed by, or sponsored by any bank.