Determine your total income from all sources
Subtract allowable deductions and exemptions
Find your taxable income
Check the applicable tax slab or tax rate
Calculate tax on each slab portion if using progressive rates
Add any surcharge if applicable
Add any cess or additional tax if applicable
Subtract tax credits, advance tax, or TDS already paid
The remaining amount is your net income tax payable
If the result is negative, you may be eligible for a refund