In 2010, the Comptroller and Auditor General (CAG) estimated that allocating 2G telecom spectrum at administered (low) prices, rather than auctioning it, caused a "presumptive loss" to the exchequer of up to ₹1.76 lakh crore — the difference between what the spectrum could have fetched at auction vs what the government actually received.
The number became a political earthquake. But notice the word: presumptive. Nobody lost ₹1.76 lakh crore from a bank account. It was an opportunity-cost estimate — revenue foregone, not money stolen.
This is exactly the distinction that runs through income-tax law: tax is on real income that accrued or was received, not on notional income you "could have" earned. With a few specific exceptions.
- Real income principle: income tax is levied on income that actually accrued or was received. You're not taxed on income you could have earned but didn't (opportunity cost).
- "Presumptive loss" (the 2G usage) is a governance / audit concept — revenue foregone vs alternative. Not a tax concept.
- But tax law DOES have specific "notional income" provisions where it deems income even without actual receipt — these are deliberate exceptions, each with statutory basis.
- Key notional-income provisions: notional rent on a second self-occupied / vacant let-out-able property (Sec 23/24), Sec 50C circle-rate deeming, Sec 56(2)(x) FMV deeming, Sec 9 deeming fictions, presumptive taxation 44AD/44ADA.
- The distinction matters: when a tax officer tries to tax "income you could have earned" without a specific deeming provision, the assessment is usually unsustainable. "Real income" is the default; notional income is the exception.
Real income vs notional income
Real income
Default — taxable
Income actually accrued (legal right to receive) or received. Salary earned, rent received, interest accrued, profit booked, capital gain realised. This is what income tax is fundamentally about.
Notional income
Only if deemed by statute
Income you didn't actually earn but the law DEEMS you to have. Only taxable where a specific section creates the fiction. No section = no tax on notional income. The 2G-style "could've earned" isn't taxable absent a deeming provision.
The specific "notional income" provisions in tax law
- Notional rent (Sec 23): for a let-out-able second property kept vacant, the "annual value" is deemed to be the reasonable expected rent — even if no rent was actually received. (One self-occupied house exempt; two allowed since Finance Act 2019. Beyond that, deemed rent applies.)
- Sec 50C / 43CA: on sale of property below circle rate, the circle rate is deemed as sale consideration (even though you received less).
- Sec 56(2)(x): receiving property below FMV → the difference (notional benefit) is deemed income.
- Sec 9 deeming fictions: foreign income deemed to accrue in India (covered in our Sec 9 guide).
- Presumptive taxation (44AD / 44ADA / 44AE): income deemed at a fixed % of turnover / per-vehicle, regardless of actual profit.
- Sec 2(22)(e) deemed dividend: loan from a closely-held company to a substantial shareholder deemed to be dividend.
Each of these is a deliberate legislative choice to tax a notional amount. Outside these, the real-income principle governs.
Why the distinction matters in practice
- AO can't tax "lost opportunity": if you sold a business asset at a low price to a friend, the AO can't tax you on the higher price you "could have" got — unless a specific deeming section (like Sec 50C for property, or transfer-pricing for related parties) applies.
- Interest-free loans: giving an interest-free loan to a relative doesn't create taxable "notional interest income" for you (no deeming provision for individuals; transfer-pricing applies only to international / specified domestic transactions).
- Bartered transactions: are taxed at the real value exchanged, not a notional higher value.
- The CAG number: was a public-finance estimate, never an assessable income figure. No telecom company was taxed on "presumptive gain" of the spectrum-price difference.
If a tax notice tries to add "income you could have earned" — interest you didn't charge, rent you didn't collect on a genuinely self-occupied home, profit you "should have" made — ask: which specific section deems this as income? If there's no deeming provision, the real-income principle is your defence. Many over-reaching additions get deleted at appeal on exactly this ground.
Quick answers
Two houses can be treated as self-occupied (nil annual value) since Finance Act 2019. The third (and beyond) — deemed let-out → notional rent (reasonable expected rent) taxable under "Income from House Property", even if vacant + no rent received.
No — for individuals, there's no provision deeming notional interest on interest-free loans to relatives. Real income principle: you earned no interest, you're taxed on no interest. (Transfer-pricing notional-interest rules apply only to specified international / domestic related-party transactions, not personal loans.)
For the seller: capital gain on actual consideration (no Sec 50C equivalent for shares generally, though Sec 50CA deems FMV for unquoted shares). For the buyer: Sec 56(2)(x) may deem the difference as income if the shares' FMV exceeds consideration by > ₹50k. So a notional element exists on the buyer's side for unquoted shares.
Yes — 44AD deems 8% (cash) / 6% (digital) of turnover as profit regardless of actual. You're taxed on the deemed figure even if actual profit was lower. It's a legislated notional-income scheme (optional — you can opt for actual books instead).
If closely-held company + you're a substantial shareholder (10%+): Sec 2(22)(e) deemed dividend may apply to the loan amount (to extent of accumulated profits). Plus perquisite valuation of interest-free / concessional loan under Sec 17(2) if you're an employee. Notional-income provisions both apply.
When you might want help
Two situations: (1) Notice adding "notional" income without a clear deeming provision — appeal-grounds analysis. (2) Multiple-property owner managing deemed-rent + Sec 50C exposure.
Notional-income notice?
Deeming-provision analysis + appeal grounds + multi-property deemed-rent planning. Fixed scope.
The 2G figure is drawn from the public CAG report. This article uses it to illustrate a tax-law principle, not to comment on the underlying policy / legal matter.