Income Tax Return Filing 2026: 6 Important Deadlines Every Taxpayer Must Know

Summary

Taxpayers have several important deadlines to remember for the Assessment Year 2026-27, including advance tax payments due on June 15, September 15, December 15, and March 15. The principal Income Tax Return filing deadline for most taxpayers is July 31, 2026, although certain individuals with business or professional income may have a later deadline of August 31. Taxpayers who miss the original deadline can still submit a belated return by December 31, 2026, or even revise their return by March 31, 2027, if they discover omissions or errors.