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Tax and ITR for a Proprietorship

Business income is your income. One return covers both, and which return depends on how you keep books.

There is no separate business return

Because the proprietorship is not a separate entity, its profit is simply part of your total income and taxed at your slab rate. There is no firm-level tax and no second return.

What that means practically: your salary, interest, rental income and business profit all land on the same return, and the business loss can sometimes be set against other income. It also means your personal tax planning and your business decisions are the same conversation.

Presumptive taxation, and when it helps

  • What it is: instead of computing actual profit from books, you declare profit at a prescribed percentage of turnover and pay on that.
  • Who it suits: small businesses and professionals whose real margin is higher than the prescribed percentage, and who would rather not maintain detailed books.
  • Who it does not: anyone whose actual profit is lower than the prescribed rate, because you would pay tax on profit you did not make.
  • The catch people miss: opting in and out has consequences. Leaving the scheme can lock you out of it for several years and bring audit requirements.
  • Turnover limits apply, and they are higher where receipts are largely digital.

Written 5 September 2026. Government requirements and portal behaviour change — message us to confirm before you rely on any date or figure here.

What to get right regardless

Keep the business bank account separate from personal. Not for the tax rules, but because reconstructing a year from a mixed account is where most of the cost and most of the errors come from.

Pay advance tax if the liability crosses the threshold. Interest for missing it is calculated automatically and is entirely avoidable. See our page on income tax filing.

Common questions

It depends on whether you use presumptive taxation and what other income you have. Tell us the picture and we will confirm rather than guess.

Above the turnover threshold, or in certain cases when leaving presumptive taxation. Below that, generally not.

Yes, and on time. A late return can cost you the right to carry the loss forward.

Usually, subject to the eligibility and the lock-in rules. It is worth deciding deliberately rather than year by year.

Send us your case

Tell us your turnover and whether you keep proper books. Those two decide the route.

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