
Instalments
| Due date | Cumulative amount due | Interest 234C if short |
|---|---|---|
| 15 June | 15% of estimated tax | 1% a month × 3 months on the shortfall (if below 12%) |
| 15 September | 45% | 1% × 3 on shortfall (if below 36%) |
| 15 December | 75% | 1% × 3 on shortfall (if below 75%) |
| 15 March | 100% | 1% × 1 on shortfall |
Dates in the calendar
| Date | Compliance | Details | Status |
|---|---|---|---|
| 15 Dec 2026 | Advance tax — 3rd instalment (75%) | Tax Year 2026-27: cumulative 75% of estimated tax. | Upcoming |
| 15 Mar 2027 | Advance tax — 4th instalment (100%) | Full estimated tax for Tax Year 2026-27. Presumptive taxpayers (old 44AD/44ADA, new Section 58) pay their single instalment today. | Upcoming |
| 15 Jun 2027 | Advance tax — 1st instalment (15%) | Tax Year 2027-28: 15% of estimated tax. | Upcoming |
| 15 Sep 2027 | Advance tax — 2nd instalment (45%) | Tax Year 2027-28: cumulative 45% of estimated tax. | Upcoming |
| 15 Dec 2027 | Advance tax — 3rd instalment (75%) | Tax Year 2027-28: cumulative 75% of estimated tax. | Upcoming |
If you pay less than 90%
Interest under section 234B (new section 424) runs at 1% a month from 1 April of the assessment year till payment when advance tax paid is less than 90% of the assessed tax. Self-assessment tax paid with the return stops the interest from that date.
How to pay
- e-Pay Tax on the income-tax portal → Advance Tax (100) → choose the tax year
- Use net banking, UPI, debit card or the bank counter
- Keep the challan (CIN) — it auto-appears in Form 26AS / AIS
Worked example
Example: A consultant expects tax of ₹2,00,000 for Tax Year 2026-27 and has TDS of ₹40,000. Net ₹1,60,000: pay ₹24,000 by 15 June, ₹72,000 total by 15 September, ₹1,20,000 total by 15 December and ₹1,60,000 by 15 March.
Frequently asked questions
Only if TDS does not cover your total tax — for example when you have rent, capital gains or interest income outside salary.
Last reviewed on 11 November 2026 by Vinay Jaglan, VJ & Associates. Law and portal screens change — verify before acting, or ask the office.
