GSTR-5A & GSTR-3B for February 2026
Due Date: Mar 20, 2026
Monthly GST returns such as GSTR-5A (for OIDAR service providers) and GSTR-3B (summary return) for February 2026 must be filed by 20th March 2026. These filings are part of routine GST compliance for applicable taxpayers under GST rules.