GST E-Invoicing in 2026: What Every Indian Small Business Must Know (Before It's Mandatory for You)
E-invoicing is no longer just a big-company problem. The turnover threshold has dropped from ₹500 crore to ₹5 crore in four years — and it's still falling. Here's what GST e-invoicing actually is, who it applies to in 2026, the penalties for getting it wrong, and how to stay compliant without drowning in paperwork.