Log in to incometax.gov.in using PAN and password.
Go to e-File > Income Tax Return > File Income Tax Return.
Select AY 2025–26 and choose online mode.
Select taxpayer type (e.g., individual).
Choose the applicable ITR form (e.g., ITR-1 for salaried individuals).
Fill in income, deductions, and tax details.
Preview, verify, and submit your return.
Complete e-verification using Aadhaar OTP, net banking, or send signed ITR-V to CPC, Bengaluru within 30 days.
Once verified, you’ll receive a confirmation message with transaction ID and acknowledgment number.