Decoding your CTC: why in-hand is so much less

The number on your offer letter is not your salary. CTC — cost to company — is exactly what it says: everything your employer spends on employing you, including money you will not see for decades and some you may never see at all. The gap between CTC and the first month's bank credit routinely runs to 20–30%, and most of the shock is avoidable with ten minutes of arithmetic.

What sits inside a CTC

A typical CTC stacks four layers:

• Fixed cash — basic salary, HRA, and a catch-all "special allowance". This is the part that actually reaches your bank account, before deductions.
• Retirals — the employer's 12% EPF contribution and the gratuity provision (roughly 4.81% of basic — the accounting cost of the 15/26 formula below). Real money, but locked in schemes, not in your account.
• Variable pay — the bonus at "100% payout", which the offer letter assumes and the business cycle decides. Discount it before you commit to an EMI.
• Perquisites and padding — insurance premiums, meal cards, occasionally even laptop depreciation. Employers differ wildly in how much of this they count, which is why two ₹20 lakh offers can pay very different amounts.

The CTC breakdown calculator turns an offer letter into the monthly in-hand figure, and the salary calculator works the other direction.

Where the deductions go

EPF takes 12% of basic from you, and your employer adds 12% more — but the employer's side is split. 8.33% is diverted to the EPS pension pool, capped at 8.33% of a ₹15,000 wage ceiling (₹1,250 a month); above that basic, the excess lands back in EPF. Interest accrues monthly and is credited once at year end, at a rate the government revises annually. Over a career this quiet 24% of basic, compounding tax-free, is most salaried Indians' largest asset after their home — run it forward with the EPF calculator, and see the magic of compounding for why the early years matter most.

Gratuity vests only after five years of continuous service: 15 days of last drawn salary per year of service (the 15/26 formula), capped at ₹20 lakh. Service beyond six months in the final year rounds up to a full year. The gratuity calculator does the arithmetic.

TDS on salary is your income tax, collected monthly by payroll against the regime you pick — the single biggest lever on in-hand pay, covered in choosing your tax regime. Professional tax, where your state levies it, takes a small fixed bite.

The structure games

Because HRA exemption (old regime only) and EPF both key off basic, employers and employees quietly negotiate its share. A low basic raises in-hand cash today and shrinks EPF, gratuity and HRA exemption; a high basic does the reverse. There is no universally right split — but there is a right question, which is whether you are choosing it or merely accepting a template. The HRA calculator shows what your rent actually exempts.

⚠️ Slab rates, the EPF ceiling, and gratuity limits are statutory values that budgets and notifications revise. Verify current figures before relying on them — and treat this as arithmetic, not tax advice; WealthTicker is not a SEBI-registered investment adviser.

The two retirals inside a CTC each have their own mechanics worth knowing: EPF and the EPS wage ceiling, and gratuity's five-year cliff.

Key takeaway

CTC is what employing you costs, not what you are paid. Strip out the retirals and the assumed bonus before comparing offers, know that EPF plus gratuity is real wealth on a long fuse rather than a deduction, and check the basic-salary split — it silently sets your EPF, your gratuity and your HRA exemption at once.