Advance Tax & Interest Calculator
Statutory Calculation under Sections 208, 209, 211, 234A, 234B & 234C of the Income-tax Act, 1961
Advance Tax & Sec 234A/B/C Calculator
1. Taxpayer Profile & Assessment Year
2. Estimated Tax Liability & Prepaid Tax Credits
3. Advance Tax Payments Made (Quarterly Breakup)
4. Return Filing Dates (Sec 234A & 234B Delay)
Late Return Filing Interest
Return filed on or before statutory due date (2026-07-31). Zero Section 234A interest.
Advance Tax Default (<90%)
Advance tax paid (₹1,20,000) satisfies 90% threshold (₹1,08,000). Zero Section 234B interest.
Installment Deferral Interest
No Section 234C interest applicable. All advance tax installments satisfied statutory threshold percentages or safe harbors.
Installment-wise Advance Tax Schedule & 234C Computation
| Installment Due Date | Required % | Required (₹) | Cumulative Paid (₹) | Shortfall (₹) | Months | 234C Interest (₹) |
|---|---|---|---|---|---|---|
| 115th June (15%) | 15% | ₹18,000 | ₹18,000 | Safe Harbor Met (₹0) | 3 mo | ₹0 |
| 215th September (45%) | 45% | ₹54,000 | ₹54,000 | Safe Harbor Met (₹0) | 3 mo | ₹0 |
| 315th December (75%) | 75% | ₹90,000 | ₹90,000 | Safe Harbor Met (₹0) | 3 mo | ₹0 |
| 415th March (100%) | 100% | ₹1,20,000 | ₹1,20,000 | Safe Harbor Met (₹0) | 1 mo | ₹0 |
Advance Tax Liability & Statutory Due Dates
Under Section 208 of the Income-tax Act, 1961, advance tax is mandatory during the financial year if the estimated net tax liability (after deducting eligible TDS, TCS, and MAT/AMT credits) is ₹10,000 or more.
Section 207(2) Senior Citizen Exemption
A resident individual aged 60+ who does not have any income chargeable under 'Profits and gains of business or profession' is completely exempt from paying advance tax.
Computation Methodology for Sections 234A/B/C
Advance Tax & Penal Interest FAQs
Is tax paid between 16th March and 31st March treated as advance tax?
Yes, under the proviso to Section 211(1), any amount paid by way of advance tax on or before the 31st day of March is treated as advance tax paid during the financial year and counts towards the 90% threshold for Section 234B.
How does Rule 119A rounding work for interest computation?
Under Rule 119A of the Income-tax Rules, 1962, the shortfall or tax base is rounded down to the nearest multiple of one hundred rupees, ignoring any fraction of one hundred rupees before applying the 1% interest rate.
What are the advance tax rules for presumptive taxation (Sec 44AD/44ADA) taxpayers?
Taxpayers opting for presumptive taxation under Section 44AD or Section 44ADA are not required to pay in 4 quarterly installments. They can pay 100% of their advance tax in a single installment on or before 15th March.
Related Direct Tax Calculators
In-Depth Statutory Guidance & Legal Commentary
Need Professional Assistance with Departmental Filings, Notices, or Tax Planning?
Calculations provide indicative statutory estimates. For departmental filings, notice resolution, and custom tax planning, consult directly with SKM LAWS AND ASSOCIATES.