Chennaisalary calculator
[ Tamil Nadu · take-home pay FY 2025-26 ]Chennai is the southernmost city on the metro list under Rule 2A. The HRA exemption cap is 50% of basic, which matches Mumbai and Delhi and beats Bangalore — despite Chennai's lower average rents. Tamil Nadu collects Professional Tax at the constitutional ₹2,500 annual ceiling, but it does so on a half-yearly cycle (two payments of ₹1,250 each in September and March) rather than the monthly drip used by Maharashtra or Karnataka. This frequently confuses new employees whose first few payslips show ₹0 PT — the deduction hits in September.
For a ₹16,00,000 CTC in Chennai at default 50% basic and the new regime, the calculator below shows about ₹1,06,200 a month in take-home. The auto, IT services, and BFSI sectors that dominate Chennai's salaried workforce tend to use standard CTC structures, so the defaults here match what you'll see on most offer letters in the city.
01 · Your salary
15.00 lakh · monthly ₹1,25,000
02 · Your take-home
₹97,921
₹1,00,299
CTC breakdownwhere your money goes
Monthly deductionswhat comes off your salary
Tax-saving investmentsold regime only
Tax breakdownnew regime · FY 2025-26
Customise CTC structureadvanced
range 40-60, default 50
defaults to your city
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Chennai · the salary-structure details
Chennai's HRA metro status is the most consequential thing about the city for tax purposes. The 50% basic cap on HRA exemption is genuinely valuable: a ₹15 lakh CTC with ₹30,000 monthly rent yields roughly ₹3,00,000 of exemption under the old regime, against ₹2,25,000 in nearby Bangalore. For employees relocating between South Indian tech hubs, the city change alone can shift HRA exemption by tens of thousands of rupees annually.
Tamil Nadu's Professional Tax cycle is the line item most calculators handle badly. The state collects ₹1,250 in September and ₹1,250 in March, summing to the ₹2,500 constitutional ceiling. Payslips for April through August show no PT deduction at all, which can make a new employee's first three or four months look richer than they actually are. The full ₹2,500 hits over the year regardless; it's just batched.
The Chennai salary-structure quirk worth noting: many older Tamil Nadu manufacturers (auto, textiles, engineering) still use 40% basic structures that pre-date the modern push to 50%. Under the new Labour Codes effective November 2025, basic must be at least 50% of CTC, so these structures are being rebalanced. If you're at a long-established Chennai firm, your basic may already have risen this fiscal year. The calculator's Advanced section lets you override if your payslip differs.
Frequently asked questions
- Is Chennai a metro for HRA exemption?
- Yes. Chennai is one of the four cities — Delhi, Mumbai, Chennai, Kolkata — classified as metro under Rule 2A. Your HRA exemption is calculated at the 50% basic cap. For a ₹15 lakh CTC with a metro-rate rent, this typically yields ₹75,000 more exemption per year than the same scenario in Bangalore or Hyderabad.
- When does Tamil Nadu deduct Professional Tax?
- On a half-yearly cycle. ₹1,250 is collected in September and another ₹1,250 in March, summing to the constitutional ₹2,500 annual ceiling. Payslips for April through August show no PT, and the deduction can come as a surprise to employees in their first year of work in the state.
- Why is Chennai a metro for HRA but Bangalore is not?
- Because the metro list under Rule 2A has not been updated since 1962. It reflects India's economic geography at the time — Delhi, Bombay, Calcutta, Madras as the four largest cities by population and economic activity. The list has never been formally revised despite Bangalore, Hyderabad, and Pune now matching or exceeding several of the original four on cost-of-living and salary scale.
- How does Chennai's auto sector affect typical CTC structures?
- Older auto and manufacturing employers in Tamil Nadu have historically used 40% basic CTC structures, which lowered statutory contributions but also reduced employee HRA exemption capacity. Under the new Labour Codes (effective November 2025), basic must be at least 50% of CTC, so these structures are being rebalanced. New employees in 2026 should see 50%+ basic by default.