Since the new tax regime became the default in FY 2023-24, the question "which regime should I choose?" has become the most common tax query we receive. Here's the definitive answer — with numbers.
The core trade-off
The new regime offers lower slab rates but eliminates most deductions. The old regime has higher rates but allows deductions under 80C, 80D, HRA, home loan interest, and more. The break-even point depends entirely on how many deductions you can legitimately claim.
When the old regime wins
If your total deductions exceed approximately ₹3.75 lakh (for income up to ₹15 lakh), the old regime saves more tax. Common deductions that add up quickly: ₹1.5 lakh under 80C (ELSS, PPF, EPF), ₹25,000 under 80D (health insurance), HRA exemption (varies by city and rent), and home loan interest deduction (up to ₹2 lakh).
When the new regime wins
If you're a young professional without a home loan, minimal HRA benefit, and limited 80C investments, the new regime almost certainly saves you more. The standard deduction of ₹75,000 under the new regime also helps.
The calculation most people skip
Don't just compare tax outgo — compare post-tax wealth. If you're investing in ELSS only for the 80C deduction (not because it's the best investment for you), you might be locking money in a suboptimal product to save tax. Sometimes paying slightly more tax and investing freely is the better outcome.