Sneha joined a ₹43.5 lakh role as a data analyst in Chennai and had to pick a tax regime on the joining form. New regime: ₹2,44,838 a month, income tax of ₹7,82,927 a year. Old regime with no real deductions: ₹2,24,038 a month, because ₹43.5 lakh gets taxed ₹10,32,527 there. Same CTC, ₹20,800 a month difference, decided by one checkbox.
What ₹43.5 lakh CTC actually contains
Standard 50% basic structure at ₹43.5L:
| Component | Annual | Monthly |
|---|---|---|
| Basic salary | ₹21,75,000 | ₹1,81,250 |
| HRA (50% of basic) | ₹10,87,500 | ₹90,625 |
| Special allowance | ₹7,21,883 | ₹60,157 |
| Employer PF (12% of basic) | ₹2,61,000 | ₹21,750 |
| Gratuity provision (4.81%) | ₹1,04,618 | ₹8,718 |
| Total CTC | ₹43,50,000 | ₹3,62,500 |
Employer PF plus gratuity comes to ₹3,65,618. That money sits inside the ₹43.5 lakh CTC and never lands in your salary account. Your gross salary, the part payroll actually pays, is ₹39,84,383 a year.
Take-home calculation (new regime)
| Item | Annual | Monthly |
|---|---|---|
| Gross salary (excl. employer PF + gratuity) | ₹39,84,383 | ₹3,32,032 |
| Less: Employee PF | ₹2,61,000 | ₹21,750 |
| Less: Professional tax (Karnataka) | ₹2,400 | ₹200 |
| Less: Income tax | ₹7,82,927 | ₹65,244 |
| In-hand | ₹29,38,055 | ₹2,44,838 |
Tax working: gross ₹39,84,383 minus the ₹75,000 standard deduction leaves taxable income of ₹39,09,383. Slab tax works out to ₹7,52,815, and after cess the final income tax is ₹7,82,927.
New regime vs old regime at this salary
Under the new regime, income tax works out to ₹7,82,927 a year. Switch to the old regime with no major deductions and the same ₹43.5 lakh is taxed ₹10,32,527 a year, pulling monthly in-hand down to ₹2,24,038. That’s a gap of ₹2,49,600 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 |
|---|---|---|
| ₹42L | ₹2,37,711 | ₹7,40,061/yr |
| ₹43L | ₹2,42,462 | ₹7,68,639/yr |
| ₹44L | ₹2,47,214 | ₹7,97,216/yr |
| ₹45L | ₹2,51,965 | ₹8,25,794/yr |
| ₹43.5L | ₹2,44,838 | ₹7,82,927/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)