The last date for the filing of Income Tax Returns (ITR) for the financial year 2024-25 (Assessment Year 2025-26) has been extended. The last date to file your ITR for the financial year 2024-25 (assessment year 2025-26) is now September 15, 2025 instead of July 31, 2025. The government extended this deadline by 45 days because of new changes in the ITR forms and to give people enough time to file correctly using the updated system. The final date to file the ITR for them has now been moved to September 15, 2025, from the earlier date July 31, 2025, according to the CBDT circular. ITR Filing Last Date 2025: The deadline has been extended until September 15, 2025, for the financial year 2024-25.