The number in your offer letter is not the number that reaches your bank account, and the gap is usually larger than people expect. A CTC of ₹12 lakh does not mean ₹1 lakh a month in hand. Depending on how the package is structured, it might mean closer to ₹75,000.
This is not a trick. It is how Indian salary structures work. But if you do not understand the components, you cannot compare two offers, negotiate sensibly, or plan around your actual income.
Why CTC is the wrong number to anchor on
Cost to Company is exactly what it says: everything the employer spends on you. That includes several things you never receive as cash.
A typical structure breaks down roughly like this:
- Basic salary — usually 40–50% of CTC. The anchor for several other calculations, which is why its size matters more than it appears.
- House Rent Allowance (HRA) — commonly 40–50% of basic, and partially exempt if you actually pay rent.
- Special allowance — the balancing figure. Fully taxable.
- Employer's PF contribution — counted in CTC, but it goes into your provident fund, not your bank account.
- Gratuity provision — counted in CTC, but you only receive it after five years of continuous service. Leave at four years and eleven months and you typically get nothing.
- Insurance premiums — a real benefit, but not spendable income.
- Variable pay or bonus — quoted at 100% of target in the CTC figure. Actual payout depends on performance, and company performance.
So a substantial slice of CTC is either deferred, conditional or paid to someone else on your behalf. Work through your own structure in the Salary Calculator — the difference between the headline and the monthly credit is where most offer-comparison mistakes happen.
What comes out before you see it
- Provident Fund (employee share) — ordinarily 12% of basic. It leaves your payslip but stays your money, earning interest. Treat it as forced saving, not a tax.
- Professional tax — a small state-level levy, a few hundred rupees a month where it applies.
- TDS — income tax deducted at source, spread across the year based on your declared investments and estimated income.
TDS is the one that causes confusion, because it is not evenly distributed. Declare tax-saving investments early in the financial year and your monthly deduction is lower throughout. Declare late, or fail to submit proof, and your employer deducts more in the final quarter to catch up — which is why take-home often drops sharply in January to March. Nothing has gone wrong; the deduction is simply being reconciled.
Old regime or new regime
India operates two parallel income tax regimes and you choose between them. There is no universally better answer — it depends entirely on how much you claim in deductions.
The new regime has lower slab rates but removes most exemptions and deductions.
The old regime has higher rates but allows deductions including Section 80C, HRA exemption, home loan interest, health insurance under 80D and several others.
The logic is straightforward once stated plainly: the more you genuinely claim, the more likely the old regime wins. If you pay significant rent in a metro, have a home loan, and use your full 80C limit, the old regime often comes out ahead. If you claim little — no rent, no loan, minimal investments — the new regime usually does, with far less paperwork.
Two points people get wrong:
- Do not invest purely to save tax. Locking money into a poor product to save a smaller amount of tax is a net loss. Claim deductions for things you would have done anyway.
- Recalculate when circumstances change. Taking a home loan, moving cities, starting to pay rent or finishing a loan can flip which regime is better.
Run both through the Income Tax Calculator with your real numbers rather than relying on a rule of thumb.
How the slabs actually work
The single most persistent misunderstanding about income tax in India — and everywhere else — is thinking that crossing a slab boundary taxes your whole income at the higher rate.
It does not. Slabs are marginal. Only the portion of income above each threshold is taxed at that threshold's rate. Earning one rupee more never reduces your take-home pay.
This matters practically, because it removes a bad reason to decline a raise or a bonus. There is no income level at which earning more leaves you worse off.
Things worth getting right
HRA, if you pay rent
Under the old regime, the exemption is the smallest of three figures: the HRA you actually receive; rent paid minus 10% of basic; or 50% of basic in metro cities and 40% elsewhere.
Because two of the three depend on basic salary, a package with a low basic caps your HRA exemption regardless of how much rent you pay. This is a legitimate thing to raise when negotiating a structure.
Keep rent receipts. If annual rent exceeds ₹1 lakh you will need your landlord's PAN.
Which deductions are real money
Under the old regime, the ones most people can genuinely use:
- 80C — PF, ELSS, life insurance premiums, principal repayment on a home loan, children's tuition fees. Note that your existing PF contribution already consumes part of this limit, so many people need less additional investment than they assume.
- 80D — health insurance premiums for yourself and your parents, with a higher limit for senior citizen parents.
- Home loan interest — a separate and substantial deduction for a self-occupied property.
- NPS — an additional deduction over and above 80C.
Comparing two offers properly
Never compare CTC to CTC. Compare monthly take-home, then adjust for everything else:
- Calculate take-home for both using the Salary Calculator.
- Check how much of each is variable. A ₹14 lakh package with ₹4 lakh variable is not better than a ₹12 lakh package that is entirely fixed — it is riskier.
- Adjust for cost of living if the cities differ. A 30% raise to move to a much more expensive city can be a real pay cut. Model it with the Household Budget Planner.
- Value the benefits you would otherwise buy. Genuine family health cover is worth real money; a subscription you will never use is not.
- Consider the basic salary proportion, since it drives PF, gratuity and your HRA ceiling.
What to do with what is left
Take-home is the input to everything else, not the end of the exercise.
- Build an emergency fund first — six months of expenses, liquid, before any long-term investing.
- Clear expensive debt. Credit card interest in the high thirties beats any return you will earn elsewhere.
- Automate saving on payday rather than at month end. Whatever is left at month end is systematically less than you intended.
- Check where a loan would leave you before committing, using the EMI Calculator. Lenders approve based on what you can service, not on what leaves you comfortable.
- Start retirement contributions early. The Retirement Calculator makes the point better than any argument: the first decade of contributions typically does more work than the last two combined.
A sensible annual routine
- April — compare both tax regimes for the year ahead and declare investments early, so TDS is spread evenly.
- Through the year — keep rent receipts, premium receipts and investment proofs as you go, not in a panic in February.
- December to January — submit proofs before your employer's deadline. Missing it means excess TDS you can only recover by filing a return and waiting for a refund.
- Before filing — reconcile against Form 26AS and your AIS. Mismatches are common and much easier to fix before filing than after.
None of this is complicated. It is just specific, and the specifics are where the money is.
This article is general information, not tax advice. Rates, slabs, limits and rules change between financial years — confirm the current position for your assessment year, and consult a qualified professional for your own circumstances.
The salary calculator, income tax calculator, EMI calculator and retirement calculator are all free on ZeeSharp.