This is the story of a trading company in Surat dealing in textile accessories — 15 employees, 200+ active customers, and a significant GST invoicing burden that their accounts team was struggling with every day.
The Before Situation
The accounts team was generating invoices in Tally, but reconciliation for GST filing was done manually in Excel. Every month-end meant 2–3 days of extracting data, cross-checking invoices against purchase bills, calculating GSTR-1 entries, and manually uploading to the GST portal.
Errors were common. A wrong HSN code here, a missed B2B invoice there. Each error required a correction in the next filing period, creating a compounding headache.
What We Implemented
We migrated their accounting to Zoho Books with the following configuration:
Customer and Item Setup
Every customer was set up with their GSTIN, state, and payment terms. Every item was mapped to its correct HSN code and tax rate (5%, 12%, 18% or 28% as applicable). Once set up, Zoho Books automatically applies the correct tax rate on every invoice — no manual selection needed.
CGST/SGST vs IGST — Automatic Calculation
Zoho Books automatically determines whether a transaction is intra-state (CGST + SGST) or inter-state (IGST) based on the seller's state and the customer's registered state. This alone eliminated a major class of manual errors.
E-Invoicing Integration
This company was above the e-invoicing threshold. We configured Zoho Books to automatically generate IRN (Invoice Reference Number) and QR codes for every eligible invoice via the government's e-invoicing portal — all from within Zoho, without any separate software.
GSTR-1 and GSTR-3B Reports
At the end of each month, the GST filing reports are generated with one click directly in Zoho Books. The data is already structured correctly — B2B, B2C, credit notes, HSN summary — and can be exported in the exact format required for GST portal upload.
Results
Month-end GST reconciliation went from a 2–3 day exercise to a 2–3 hour exercise. Daily invoicing time dropped from 3 hours to under 45 minutes. Zero GST errors in the 8 months since implementation — compared to regular corrections required previously.
The accounts manager was able to take on additional responsibilities because she had hours freed up every week. For a small business, that's a significant operational win.