Karthik got promoted at his Chennai product company and moved from ₹15L to a ₹20L CTC package. The math in his head: ₹5L extra a year, that’s ₹41,667 more every month. His first payslip at the new salary: ₹1,29,339. He had been taking home ₹1,00,308. The actual jump was ₹29,031/month. Tax ate nearly ₹10,000 of the raise, PF swallowed another ₹2,500, and employer contributions padded the CTC number without adding any cash.
What ₹20 lakh CTC actually contains
Standard 50% basic structure at ₹20L:
| Component | Annual | Monthly |
|---|---|---|
| Basic salary | ₹10,00,000 | ₹83,333 |
| HRA (50% of basic, metro) | ₹5,00,000 | ₹41,667 |
| Special allowance | ₹3,31,900 | ₹27,658 |
| Employer PF (12% of basic) | ₹1,20,000 | ₹10,000 |
| Gratuity provision (4.81%) | ₹48,100 | ₹4,008 |
| Total CTC | ₹20,00,000 | ₹1,66,667 |
Employer PF plus gratuity = ₹1,68,100. Inside the CTC number, not in your account.
Take-home calculation: new regime
| Item | Annual | Monthly |
|---|---|---|
| Gross salary (excl. employer PF + gratuity) | ₹18,31,900 | ₹1,52,658 |
| Less: Employee PF | ₹1,20,000 | ₹10,000 |
| Less: Professional tax (Karnataka) | ₹2,400 | ₹200 |
| Less: Income tax (new regime) | ₹1,57,435 | ₹13,120 |
| In-hand | ₹15,52,065 | ₹1,29,339 |
Tax working (new regime): Gross ₹18,31,900 minus standard deduction ₹75,000 = taxable ₹17,56,900. Slabs: nil (0-4L) + ₹20,000 (4-8L at 5%) + ₹40,000 (8-12L at 10%) + ₹60,000 (12-16L at 15%) + ₹31,380 (16-17.57L at 20%) = ₹1,51,380 + 4% cess ₹6,055 = ₹1,57,435/year.
When tax becomes real at ₹20L CTC
At ₹12L CTC, income tax is zero. At ₹15L CTC, it’s ₹77,832/year - annoying but under ₹1L. At ₹20L CTC, you’re paying ₹1,57,435. Over ₹1 lakh a year in income tax, for the first time. The 20% slab kicks in for the portion of income between ₹16L and ₹17.57L taxable.
The effective tax rate at ₹20L CTC is 7.87% of CTC, or 8.59% of gross salary. Not catastrophic, but it’s no longer invisible. The standard deduction of ₹75,000 helps. Without it, you’d be paying about ₹23,000 more in tax annually.
IT services vs product company structure
| Component | 40% basic | 50% basic |
|---|---|---|
| Basic salary | ₹8,00,000 | ₹10,00,000 |
| HRA | ₹4,00,000 | ₹5,00,000 |
| Special allowance | ₹6,65,520 | ₹3,31,900 |
| Employee PF | ₹96,000/yr | ₹1,20,000/yr |
| Monthly take-home (KA) | ~₹1,33,558 | ₹1,29,339 |
The 40% basic structure gives about ₹4,219 more per month. Lower PF means more cash now but a smaller retirement corpus. Worth thinking about, especially if you’re already putting money into PPF or NPS separately.
City-wise take-home at ₹20L CTC
Under the new regime, HRA exemption is not available. City differences come only from professional tax.
| City | PT (annual) | Monthly in-hand |
|---|---|---|
| Delhi (no PT) | ₹0 | ₹1,29,539 |
| Bengaluru / Hyderabad | ₹2,400 | ₹1,29,339 |
| Mumbai | ₹2,500 | ₹1,29,331 |
| Chennai / Kochi | ₹2,496 | ₹1,29,331 |
₹200/month difference between Delhi and every other major city. If you’re choosing between a Bengaluru and Delhi offer at the same CTC, professional tax is not the deciding factor.
Old regime vs new regime at ₹20L
The new regime is better for most people at ₹20L, but the old regime starts making sense if you’re renting in a metro and maxing deductions.
| Old regime deduction | Maximum |
|---|---|
| Standard deduction | ₹50,000 |
| 80C | ₹1,50,000 |
| 80D (self + parents) | ₹50,000 |
| NPS 80CCD(1B) | ₹50,000 |
| HRA exemption (₹30K rent in metro) | ~₹2,40,000 |
| Home loan interest 24(b) | Up to ₹2,00,000 |
If you’re renting at ₹30,000/month in Mumbai and maxing 80C and 80D without a home loan, total deductions are roughly ₹4.4L. Old regime tax on taxable income of ₹18,31,900 minus ₹50,000 minus ₹4.4L = ₹13,41,900 taxable:
Old regime: ₹12,500 (2.5-5L) + ₹1,68,380 (5-13.4L at 20%) = ₹1,80,880 + cess ₹7,235 = ₹1,88,115. That’s more than the new regime’s ₹1,57,435. New regime still wins.
Add a home loan interest deduction of ₹2L and the old regime taxable drops to ₹11,41,900. Old regime tax: ₹12,500 + ₹1,28,380 = ₹1,40,880 + cess ₹5,635 = ₹1,46,515. Now old regime saves about ₹10,920/year vs new regime.
The crossover is real but narrow. Use the old vs new tax regime calculator with your exact numbers rather than guessing.
The employer NPS option at ₹20L
If your employer allows it, having the company contribute 10% of basic to NPS under Section 80CCD(2) is deductible even under the new regime. At ₹20L with 50% basic, that’s ₹1,00,000/year into NPS that reduces your taxable income.
Tax saved: ₹1,00,000 falls in the 20% slab, so you save ₹20,000 + 4% cess = ₹20,800/year. The trade-off: ₹1,00,000 is locked in NPS until age 60. Discuss with HR when negotiating or during annual salary revision.
Related calculators
- Take-Home Salary Calculator - plug in your exact structure and city
- Income Tax Calculator (FY 2025-26) - slab-wise tax with cess and surcharge
- Old vs New Tax Regime - find which saves more at your deduction level
- HRA Exemption Calculator - calculate HRA benefit for old regime planning
- EPF Calculator - project PF corpus over time
Also see: 15 lakh CTC breakdown for the step below, and 25 lakh CTC breakdown for the next level.
CTC salary ladder
| CTC | Monthly take-home | Tax / year |
|---|---|---|
| ₹5L | ₹35,465 | Zero |
| ₹6L | ₹42,598 | Zero |
| ₹7L | ₹49,730 | Zero |
| ₹8L | ₹56,863 | Zero |
| ₹9L | ₹63,996 | Zero |
| ₹10L | ₹71,129 | Zero |
| ₹11L | ₹78,262 | Zero |
| ₹12L | ₹85,395 | Zero |
| ₹15L | ₹1,00,308 | ₹77,832 |
| ₹18L | ₹1,18,134 | ₹1,20,699 |
| ₹20L | ₹1,29,339 | ₹1,57,435 |
| ₹25L | ₹1,56,134 | ₹2,63,868 |
| ₹30L | ₹1,80,693 | ₹3,97,129 |
| ₹35L | ₹2,04,451 | ₹5,40,017 |
| ₹40L | ₹2,28,208 | ₹6,82,906 |
| ₹45L | ₹2,51,965 | ₹8,25,794 |
| ₹50L | ₹2,75,722 | ₹9,68,682 |
All figures: new regime, Karnataka PT, 50% basic structure, FY 2025-26. Use Take-Home Calculator for your exact CTC and structure.
Sources
- Income Tax Act 1961: Section 115BAC - new regime slabs, Finance Act 2025
- CBDT: 80CCD(2) employer NPS deduction allowed under new regime
- EPFO: 12% employee + 12% employer PF contribution on basic salary
- Payment of Gratuity Act 1972: 4.81% gratuity provision formula