CA Inter Taxation: Income Tax Slabs, New Regime vs Old Regime & Key Deductions

With Section 115BAC becoming the default tax regime, solving numerical taxation problems requires comparing total tax payable under both regimes and analyzing eligible deductions.

New Tax Regime Slabs (AY 2026-27)

• Up to ₹3,00,000: Nil
• ₹3,00,001 to ₹6,00,000: 5%
• ₹6,00,001 to ₹9,00,000: 10%
• ₹9,00,001 to ₹12,00,000: 15%
• ₹12,00,001 to ₹15,00,000: 20%
• Above ₹15,00,000: 30%

Standard deduction for salaried employees is allowed up to ₹75,000 under the default regime.