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How to Pay Advance Tax on Capital Gains

Sold property or shares for a big profit? You might need to pay advance tax. Learn how to calculate and pay advance tax on sudden capital gains.

6 min read · 2026-06-15

The Surprise Tax Bill

You sold a piece of land or cashed out a massive mutual fund portfolio. You know you owe Capital Gains tax, and you plan to pay it when you file your ITR in July next year.

Stop. Waiting until July could cost you thousands of rupees in interest penalties. You likely need to pay Advance Tax.

Quick stat: You must pay advance tax on a capital gain only from the instalment due after the sale, but missing those instalments still attracts 1% per month interest under Section 234C (Source: Income Tax Act, Sections 211 and 234C).

The Advance Tax Rule

If your total estimated tax liability for the year (from salary, capital gains, interest, etc.) minus any TDS is ₹10,000 or more, you are required to pay advance tax in four quarterly installments (June, Sept, Dec, March).

The Capital Gains Exception

It is impossible to predict when you will make a capital gain in the stock market. The Income Tax Department understands this.

Therefore, you don't have to estimate capital gains at the start of the year. *You only need to pay advance tax on capital gains in the installments that fall after the transaction takes place.*

Example Scenario: You sell a property and make a ₹20 Lakh Long-Term Capital Gain on **October 10th**. - You missed the June 15th and Sept 15th advance tax deadlines. *No penalty will be charged for these.* - However, you must now include the tax on this ₹20 Lakh gain in your **December 15th** (75% of total tax) and **March 15th** (100% of total tax) installments.

If you fail to pay the tax in the Dec and March installments, you will be charged 1% interest per month under Section 234C.

Senior Citizens Exemption

There is an exception: Resident Senior Citizens (age 60 or above) who do not have any income from a business or profession are exempt from paying advance tax. They can pay their entire tax liability as Self-Assessment Tax when filing their ITR, without any 234B or 234C interest penalties.

How to Pay

You can pay advance tax online through the Income Tax portal using the e-Pay Tax feature. Select Challan ITNS 280 and choose "Advance Tax (100)".

Keep the challan receipt safe; you will need the BSR code and challan serial number when filing your ITR to prove you paid the tax.

How LastMinute ITR helps

We help you estimate the tax on a sudden capital gain and slot it into the right advance-tax instalment, then reconcile the challan when you file on incometax.gov.in.

Start with LastMinute ITR · import your documents · fix an AIS mismatch.

What you should do

  1. As soon as you book a large gain, estimate the tax due on it.
  2. Add it to the next advance-tax instalment (December or March).
  3. Save the challan BSR code and serial number for your ITR.

Common mistake

Deferring the whole gain to self-assessment in July. Unless you are an eligible senior citizen with no business income, this triggers 234C interest. Pay in the instalment that follows the sale.

Related guides

How to Pay Advance Tax on Capital Gains · LastMinute ITR