Notification in income tax return

If you've received a demand notice for your income tax return, particularly due to an error in claiming a rebate on arrear salary (like filing Form 10E in the wrong assessment year), don't panic. The first step is to obtain the demand notice, even if it's not showing on the portal or in your email, by checking 'e proceedings' for downloads. Once you have it, you can respond via the portal using the 'disagree' option, clearly stating the facts and any mistakes made in your original filing. If your initial response isn't considered, further steps may involve re-filing Form 10E and submitting a grievance for reprocessing, or consulting tax professionals for assistance.