Estimate your total income for the financial year
Calculate your tax liability on that estimated income
Subtract tax already deducted at source, if any
Pay the remaining tax in advance before the due dates
Log in to the income tax e-filing portal or use the authorized tax payment website
Select the option to pay advance tax or challan 280
Enter your PAN, assessment year, address, and tax details
Choose the correct tax payment type as advance tax
Select the payment mode such as net banking, debit card, or bank branch
Complete the payment and save the challan receipt
Keep the payment details for filing your income tax return
Pay advance tax in installments on or before the prescribed due dates
Recalculate tax if your income changes during the year and pay any shortfall