Income tax returns for the assessment year 2025-26 were due on July 31, 2025. The Central Board of Direct Taxes moved the date to September 15. Then it decided “to further extend the due date for filing these ITRs for AY 2025-26 from 15th September, 2025 to 16th September, 2025.” Taxpayers had complained of problems with the filing portal, The Tribune reported.