What is Updated Return?

Also called: ITR-U

An updated return under section 139(8A) lets a taxpayer declare income they missed up to four years after the end of the assessment year, at the cost of additional tax on top of the normal liability.

The surcharge scales with delay: 25% of the tax and interest if filed within twelve months of the assessment year ending, 50% within twenty-four, 60% within thirty-six and 70% within forty-eight.

It cannot be used to claim a refund, to reduce previously declared income, or where a search or survey has already taken place.

Why it matters

It is the only route back for someone who realises years later that foreign income or capital gains went undeclared — and it is far cheaper than being found.

The statutory position

Each figure with the provision it comes from, so it can be checked.
What	Position	Source
Window	Up to 48 months from the end of the assessment year	Section 139(8A), as extended by Finance Act 2025
Additional tax, within 12 months	25% of the additional tax and interest	Section 140B, Income-tax Act 1961
Additional tax, 12 to 24 months	50%	Section 140B, Income-tax Act 1961
Additional tax, 24 to 36 months	60%	Section 140B as amended by Finance Act 2025
Additional tax, 36 to 48 months	70%	Section 140B as amended by Finance Act 2025
Not available	Where it would reduce liability, produce a refund, or increase a loss	Section 139(8A), provisos

Not to be confused with

These get used interchangeably, including by tools that should know better. They are different things.

Revised return

A revised return can correct an error in either direction and carries no extra tax. An updated return can only add income, and carries a surcharge of 25% to 70% on the additional tax.

Belated return

A belated return is a normal return filed late, up to 31 December, and can claim a refund. An updated return runs for years afterwards and cannot.

Questions people ask

Why would anyone pay 70% extra voluntarily?

Because the alternative is a reopening under section 148 with penalty at 50% or 200% of the tax and, for larger amounts, prosecution exposure. Declaring voluntarily closes the year at a known cost, which is a better position than being found.

Can I use it to claim a deduction I forgot?

No. An updated return may not reduce liability, create or increase a refund, or increase a declared loss. It exists to declare income that was missed, in one direction only.

What usually goes wrong

Waiting, when the surcharge steps up from 25% to 70% across the window
Trying to use it to claim a missed deduction, which the section does not permit
Filing one without paying the section 140B additional tax, which makes it invalid