Tax
Old Regime Income Tax Calculator
Use this if you have significant deductions — 80C investments, home loan, HRA, etc. The old regime has higher slab rates (5/20/30%) but allows ₹4 lakh+ in deductions if you maximise them. Toggle 'Old' on the calculator.
Inputs
New vs Old regime
New regime saves ₹1,59,900
Old regime slabs (FY 2026-27)
| Income range | Rate |
|---|---|
| Up to ₹2.5 lakh | 0% |
| ₹2.5L — 5L | 5% |
| ₹5L — 10L | 20% |
| Above ₹10L | 30% |
Common deductions in old regime
- • 80C: ₹1.5L (PPF, ELSS, EPF, Sukanya Samriddhi, life insurance, home loan principal, tuition fees)
- • 80CCD(1B): ₹50K extra for NPS
- • 80D: ₹25K health insurance (₹50K for senior parents)
- • HRA exemption: Lowest of (HRA, 50/40% basic, rent − 10% basic)
- • Section 24(b): Home loan interest up to ₹2L (self-occupied)
- • 80E: Education loan interest, no upper cap, 8 years
- • 80G: Donations (50% or 100% depending on cause)
- • Standard deduction: ₹50,000
FAQs
When should I choose the old tax regime?
When your total deductions (80C ₹1.5L + 80D ₹25K + HRA + home loan interest ₹2L + NPS ₹50K + LTA + food etc.) exceed ~₹4 lakh. Below that, new regime usually wins.
What deductions does old regime allow?
80C (₹1.5L), 80CCD(1B) NPS (₹50K extra), 80D health insurance, 80E education loan interest, HRA exemption, Section 24(b) home loan interest (₹2L), 80G donations, LTA, food coupons, professional tax, standard deduction (₹50K).
Can I switch between regimes?
Salaried: yes, every year — declare to employer at financial year start. Business income: once switched to old, can switch back to new only once in lifetime.
What is the rebate u/s 87A in old regime?
Old regime rebate = ₹12,500 → makes income up to ₹5 lakh taxable income tax-free (after deductions). Compared to new regime's ₹60,000 rebate (for ₹12L taxable), old regime's rebate is much smaller.