How to File a Complaint with the Income Tax Office If you need to file a complaint with the Income Tax Department, our step-by-step guide on How to File a Complaint with the Income Tax Office will help you navigate various online and offline methods to lodge your grievance effectively. 1. Online Complaint Filing Method 1: Using the Income Tax E-filing Portal Visit the Official Website Go to the Income Tax e-Filing portal. Log in to Your Account Use your PAN, Aadhaar, or User ID along with your password. Navigate to the Grievance Section Click on ‘Submit Grievance’ under the…