Key Takeaways
* Incorrect GST returns can lead to notices, penalties, ITC blockage, and refund delays.
* Invoice mismatches remain one of the biggest GST compliance issues in 2026.
* Businesses must verify GSTR-1, GSTR-3B, e-invoices, and ITC claims regularly.
* Delayed filing can result in late fees, interest, and compliance risks.
* Small businesses