Form 121 Explained 2026
With the beginning of the financial year 2026–27, a major change has been introduced in India’s tax system. The government has replaced Forms 15G and 15H with a new unified declaration — Form 121. This change is aimed at simplifying tax compliance and making it easier for taxpayers to avoid unnecessary TDS (Tax Deducted at Source).
If you are someone who earns interest from Fixed Deposits (FDs), dividends, or other sources, understanding Form 121 is very important. In this article, we will explain everything in simple words what Form 121 is, who can use it, how to fill it, and how it helps you save tax.
What is Form 121?
Form 121 is a new declaration form introduced by the Income Tax Department of India from April 2026.
It replaces:
- Form 15G (for individuals below 60 years)
- Form 15H (for senior citizens)
Now, instead of using two different forms, all eligible taxpayers can submit just one form — Form 121.
Why Was Form 121 Introduced?
Earlier, many taxpayers were confused about whether to use Form 15G or 15H. There were also issues like:
- Wrong form submission
- Complicated eligibility rules
- Multiple declarations for different incomes
To solve these problems, the government introduced Form 121 with the goal to:
- Simplify the process
- Reduce confusion
- Make tax compliance easier
- Provide a single system for all eligible taxpayers
How Form 121 Helps You Save TDS
TDS (Tax Deducted at Source) is deducted by banks or institutions before paying you income like FD interest.
But if your total income is below the taxable limit, you don’t actually need to pay tax.
This is where Form 121 helps:
- You submit Form 121 to your bank or financial institution
- You declare that your income is below taxable limit
- The bank does not deduct TDS
Who Can Submit Form 121?
You can submit Form 121 if:
Your total income is below the taxable limit
You are an individual (salaried or non-salaried)
You earn income from:
- Fixed deposits
- Recurring deposits
- Dividends
- Interest income
Unlike earlier forms, Form 121 is for everyone, including:
- Young individuals
- Senior citizens
- Pensioners
Who Cannot Use Form 121?
You should NOT submit Form 121 if:
- Your income exceeds taxable limits
- You have tax liability
- You are providing false information
How to Fill Form 121
Filling Form 121 is simple. Here’s how you can do it:
Step 1: Personal Details
- Name
- PAN Card Number
- Address
- Date of Birth
Step 2: Income Details
- Estimated total income for the year
- Details of interest income
Step 3: Declaration
- Confirm that your income is below taxable limit
- Declare that information is correct
Step 4: Submit the Form
You can submit Form 121:
- Online (via bank website or net banking)
- Offline (at bank branch)
Where to Submit Form 121?
You need to submit Form 121 to the institution that deducts TDS, such as:
- Banks
- NBFCs
- Post offices
- Companies paying dividends
Form 121 vs Form 15G/15H
| Feature | Old System | New System |
| Forms Available | 15G & 15H | Only Form 121 |
| Eligibility | Different rules | Unified rules |
| Complexity | Confusing | Simple |
| Users | Age-based | All individuals |
When Should You Submit Form 121?
You should submit Form 121:
- At the start of financial year (April)
- Before TDS is deducted
- Whenever you open a new FD
Important Things to Remember
- Always provide correct PAN details
- Submit the form every year
- Keep a copy for your records
- Check your income before declaring
- Visit official tax portal: https://www.incometax.gov.in
Final Thoughts
Form 121 is a major step toward simplifying India’s tax system. By replacing Forms 15G and 15H, it reduces confusion and makes it easier for taxpayers to manage their finances.
If your income is below the taxable limit, submitting Form 121 on time can help you avoid unnecessary TDS and improve your cash flow.
Make sure to understand the rules and submit the form correctly to enjoy its full benefits.
FAQs
1. Is Form 121 mandatory?
No, it is not mandatory. But if you want to avoid TDS, you should submit it.
2. Does Form 121 replace both 15G and 15H?
Yes, Form 121 replaces both forms from April 2026.
3. Can senior citizens use Form 121?
Yes, senior citizens can also use Form 121.
4. Can I submit Form 121 online?
Yes, most banks allow online submission through net banking.
5. What happens if I don’t submit Form 121?
TDS will be deducted, and you will have to claim a refund later.
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