● Income-tax Act 2025 · Tax Year 2026-27

Advance Tax Calculator

Computed under the new Income-tax Act, 2025 (effective 1 Apr 2026). Required when net liability ≥ ₹10,000 (Sec 423). Pay 15% by 15 Jun, 45% by 15 Sep, 75% by 15 Dec, 100% by 15 Mar — else 1% per month interest under Sec 424 (default) and Sec 425 (deferment), which replace old 234B/234C.

Prepared for

Total Annual Tax (incl. cess)

₹

₹0₹50,00,000

TDS / TCS already deducted

₹

₹0₹50,00,000

Advance tax paid each quarter

15 Jun (Q1) · 15%

15 Sep (Q2) · 45%

15 Dec (Q3) · 75%

15 Mar (Q4) · 100%

Months delay after 31 Mar (for Sec 424)

0 mo12 mo

Result

Net tax liability₹1,50,000

Advance tax applicable?Yes (≥ ₹10,000)

Quarterly schedule

Due	Required	Short	Sec 425
15 Jun (Q1)	₹22,500	₹22,500	₹675
15 Sep (Q2)	₹67,500	₹67,500	₹2,025
15 Dec (Q3)	₹1,12,500	₹1,12,500	₹3,375
15 Mar (Q4)	₹1,50,000	₹1,50,000	₹1,500

Interest u/s 425 (deferment)₹7,575

Interest u/s 424 (default)₹4,500

Remaining tax to pay₹1,50,000

Total payable now₹1,62,075

Sec 425 (deferment, ex-234C): 1% per month for 3 months on each quarterly shortfall (1 month for Q4). Sec 424 (default, ex-234B): 1% per month on unpaid tax if total advance tax < 90% of liability by 31 Mar. Income-tax Act 2025 retains rates; only the section numbers changed.