Sneha joined a ₹23.5 lakh role as a data analyst in Chennai and had to pick a tax regime on the joining form. New regime: ₹1,48,411 a month, income tax of ₹2,28,145 a year. Old regime with no real deductions: ₹1,29,009 a month, because ₹23.5 lakh gets taxed ₹4,60,975 there. Same CTC, ₹19,402 a month difference, decided by one checkbox.
What ₹23.5 lakh CTC actually contains
Standard 50% basic structure at ₹23.5L:
| Component | Annual | Monthly |
|---|---|---|
| Basic salary | ₹11,75,000 | ₹97,917 |
| HRA (50% of basic) | ₹5,87,500 | ₹48,958 |
| Special allowance | ₹3,89,983 | ₹32,499 |
| Employer PF (12% of basic) | ₹1,41,000 | ₹11,750 |
| Gratuity provision (4.81%) | ₹56,518 | ₹4,710 |
| Total CTC | ₹23,50,000 | ₹1,95,833 |
Employer PF plus gratuity comes to ₹1,97,518. That money sits inside the ₹23.5 lakh CTC and never lands in your salary account. Your gross salary, the part payroll actually pays, is ₹21,52,483 a year.
Take-home calculation (new regime)
| Item | Annual | Monthly |
|---|---|---|
| Gross salary (excl. employer PF + gratuity) | ₹21,52,483 | ₹1,79,374 |
| Less: Employee PF | ₹1,41,000 | ₹11,750 |
| Less: Professional tax (Karnataka) | ₹2,400 | ₹200 |
| Less: Income tax | ₹2,28,145 | ₹19,012 |
| In-hand | ₹17,80,937 | ₹1,48,411 |
Tax working: gross ₹21,52,483 minus the ₹75,000 standard deduction leaves taxable income of ₹20,77,483. Slab tax works out to ₹2,19,371, and after cess the final income tax is ₹2,28,145.
New regime vs old regime at this salary
Under the new regime, income tax works out to ₹2,28,145 a year. Switch to the old regime with no major deductions and the same ₹23.5 lakh is taxed ₹4,60,975 a year, pulling monthly in-hand down to ₹1,29,009. That’s a gap of ₹2,32,829 a year, gone for ticking the wrong box.
The old regime only catches up if you genuinely stack deductions: the full ₹1.5 lakh under 80C, ₹25,000 of 80D health cover, ₹50,000 of NPS under 80CCD(1B), and real HRA exemption from rent paid. Without most of that, stay on the new regime. Run your actual numbers both ways in the take-home calculator before you commit on the joining form.
How take-home moves across the salary ladder
| CTC | Monthly take-home | Income tax / year |
|---|---|---|
| ₹22L | ₹1,40,429 | ₹1,95,539/yr |
| ₹23L | ₹1,45,837 | ₹2,16,238/yr |
| ₹24L | ₹1,50,986 | ₹2,40,053/yr |
| ₹25L | ₹1,56,134 | ₹2,63,868/yr |
| ₹23.5L | ₹1,48,411 | ₹2,28,145/yr |
All figures: new regime, Karnataka professional tax, 50% basic structure, FY 2025-26. Plug your own CTC and city into the take-home salary calculator for an exact number.
Sources
- Income Tax Act 1961: Section 115BAC new regime slabs, ₹75,000 standard deduction, Section 87A rebate (FY 2025-26)
- EPFO: 12% employee plus 12% employer PF contribution on basic salary
- Payment of Gratuity Act 1972: 4.81% gratuity provision formula
- State Professional Tax Acts (Karnataka rate used as the representative figure)