Income tax for online sellers, from the ground up.

GST and income tax feel like one blur of tax when you start out, but they are two different worlds — different portals, different forms, different logic. Getting the income-tax world into focus, even at a basic level, makes you a far better client to your accountant and stops the surprises that catch unprepared sellers at filing time.

Business income is taxable — and separate from GST

The profit you make selling online is business income, and it is taxable under the Income-tax Act. This is distinct from GST: GST taxes the supply of your goods and is handled through GST returns; income tax taxes your profit and is filed in your income-tax return. You can be perfectly compliant on GST and behind on income tax, or the reverse — they do not talk to each other automatically. Being small does not remove the income from the tax net; it may change which scheme and rate apply.

Presumptive taxation under section 44AD

For eligible small businesses, section 44AD offers a simplified path. Instead of maintaining detailed profit-and-loss accounts and computing exact net profit, you declare income as a prescribed percentage of turnover. The intent is to cut the compliance burden for smaller businesses that cannot justify a full accounting setup. Whether you qualify — and whether it is advantageous — depends on your turnover, your actual margin, and the scheme’s conditions, all of which have specifics that change. This is a genuinely useful option for many sellers and a genuinely bad fit for some, so treat 44AD as a question for your CA, not a default.

Books of accounts and tax audit

Whether you must keep formal books of accounts, and whether a tax audit applies, turns on your turnover, your declared profit, and your use of a presumptive scheme. Presumptive schemes reduce book-keeping for those who qualify. Cross certain thresholds — or declare a lower profit than the scheme presumes — and fuller books, and potentially an audit, come into play. The thresholds are specific and move over time, so treat this as a case-by-case determination with your accountant rather than a fixed rule.

Advance tax

Income tax is not always a single payment at filing. Once your liability crosses a threshold, you are expected to pay advance tax in instalments across the year. Many profitable sellers fall within its scope, and missing instalments can attract interest. The practical implication: you need a running sense of your profit, not just your sales, through the year — which is far easier when your costs are reconciled rather than estimated. Our profit-per-order calculator is a starting point for that visibility.

The 194-O TDS — and why it is not GST TCS

Some e-commerce operators deduct a small income-tax TDS under section 194-O on the gross amount of your sales, deposited against your PAN and shown in your Form 26AS. You reconcile it there and claim credit for it in your income-tax return, where it offsets your liability. Crucially, this is not the same as the GST TCS credit: that is an indirect-tax credit claimed through your GST cash ledger against GSTR-2A. You may have both to reclaim — 194-O TDS against 26AS on the income-tax side, and GST TCS against 2A on the GST side. Confusing them is how sellers under-claim. Our TCS reconciliation guide keeps the GST side straight.

Accurate tax starts with accurate profit

Every part of the income-tax picture — the presumptive choice, the advance-tax planning, the return itself — rests on knowing your real profit. And real profit means knowing your real costs: every deduction, every return, every fee the marketplace took. Sellers who estimate their costs estimate their tax, and estimates cut both ways. This is where reconciliation feeds the tax side: the same discipline in payout reconciliation and payment reconciliation that protects your margin also produces the accurate turnover and profit your income-tax return should be built on.

Working well with your accountant

Nothing in this guide is meant to turn you into your own tax adviser — the opposite, in fact. The point of understanding the income-tax basics is to become a better client to the chartered accountant who files for you. An accountant working from shoebox receipts and half-remembered turnover figures produces a cautious, generic return; an accountant working from clean, reconciled numbers and a seller who understands the presumptive choice and the advance-tax rhythm can actually optimise. The quality of your tax outcome is capped by the quality of the numbers and the conversation you bring.

So the practical division of labour is this: you keep your operations and money data accurate and current — real turnover, real costs, real profit, reconciled every cycle — and you understand enough of the framework to ask the right questions. Your accountant applies the law to those numbers, makes the scheme and structure calls, and files. Robnu’s role sits squarely on your side of that line: it produces the measured turnover and per-order profit your return should be built on, so the figures you hand your CA are ones you can both trust. For the GST half of the same relationship, see our GST for marketplace sellers guide.

Sources & further reading

Income-tax rules, schemes, thresholds and rates change with each finance act, and your treatment depends entirely on your circumstances. Nothing here is definitive tax advice — confirm the current position on the official portal and with a chartered accountant:

• Income Tax Portal — returns, 44AD, advance tax and Form 26AS
• GST Portal — for the separate GST and TCS side of your obligations